Viral Vaccines CDMO Market Analysis and Forecast by Fact.MR

  • The global viral vaccines cdmo market is estimated at US$ 2.40 billion in 2025 and is forecast to expand at a CAGR of 15.3% to reach US$ 11.49 billion by 2036.
  • The viral vaccines cdmo category spans manufacturing services, process development services, upstream process development, and related therapeutic approaches addressing viral vector vaccines and adenovirus vector vaccines.
  • Growth reflects rising disease prevalence, expanding clinical evidence, and increasing healthcare access across both developed and emerging markets.
  • Regulatory approvals, payer coverage expansion, and physician familiarity with newer therapeutic mechanisms are contributing to sustained demand across the forecast period.

Viral Vaccines Cdmo Market Market Value Analysis

Summary of Viral Vaccines CDMO Market

  • Market Snapshot
    • In 2025, the global Viral Vaccines CDMO Market was valued at approximately USD 2.40 billion.
    • The market is estimated to reach USD 2.77 billion in 2026 and is projected to attain USD 11.49 billion by 2036.
    • The viral vaccines cdmo market is likely to expand at a CAGR of 15.3% during the forecast period.
    • The market is anticipated to create an absolute dollar opportunity of USD 8.72 billion between 2026 and 2036.
    • Manufacturing Services is expected to lead the service segment in 2026.
    • USA (16.2%) and Germany (15.8%) are the key growth markets during the forecast period.
  • Demand and Growth Drivers
    • Rising disease prevalence and improving diagnosis rates are expanding the addressable patient population across both developed and emerging healthcare systems.
    • Growing clinical evidence and real-world data supporting treatment efficacy are strengthening physician confidence and prescribing patterns in specialty care settings.
    • Expanding regulatory approvals and payer coverage decisions are improving patient access and reducing out-of-pocket treatment barriers in major markets.
    • Increasing investment in specialty pharmacy infrastructure and patient support programs is supporting treatment initiation and long-term adherence.
  • Product and Segment View
    • Manufacturing Services is expected to lead the service segment in 2026, supported by established clinical adoption and broad availability.
    • Viral Vector Vaccines is anticipated to account for the largest share of the vaccine platform segment, reflecting concentrated treatment demand.
    • Clinical Manufacturing is projected to lead the scale of operation segment, supported by clinical preference and treatment protocol alignment.
    • Key segmentation includes:
      • Service: Manufacturing Services, Process Development Services, Upstream Process Development, _Cell Line Development, _Vector Optimization
      • Vaccine Platform: Viral Vector Vaccines, Adenovirus Vector Vaccines, _Replication Deficient Vectors, _Replication Competent Vectors, Lentiviral Vector Vaccines
      • Scale of Operation: Clinical Manufacturing, Preclinical Manufacturing, Process Development Batches, Analytical Batch Production, Early Phase Clinical Supply
      • End Use: Biopharmaceutical Companies, Large Pharmaceutical Companies, Emerging Biotech Firms, Research Institutes, Academic Research Centers
      • Technology: Cell Culture Technology, Mammalian Cell Culture, _CHO Cell Systems, _HEK Cell Systems, Insect Cell Culture
    • These systems enable:
      • Targeted therapeutic intervention in specific disease pathways
      • Patient-specific treatment optimization and adherence support
      • Clinical outcome monitoring and long-term disease management
  • Geography and Competitive Outlook
    • North America is a major market, supported by established healthcare infrastructure, strong payer coverage, and high treatment adoption rates.
    • Europe is expected to maintain steady growth, supported by structured market access frameworks and specialty treatment networks.
    • Asia Pacific is emerging as a growth region, with expanding healthcare investment and rising clinical awareness supporting demand.
    • USA (16.2%) and Germany (15.8%) are the fastest-growing country markets during the forecast period.
    • Key companies include Lonza Group, Catalent Pharma, Thermo Fisher Scientific, Inc., Samsung Biologics, Fujifilm Diosynth Biotechnologies.
  • Analyst Opinion
    • Shambhu Nath Jha, Principal Consultant at Fact.MR, says 'The viral vaccines cdmo market is entering a phase where growth depends on geographic expansion, payer negotiations, and real-world evidence generation. Markets with structured reimbursement pathways are absorbing demand faster. Companies combining strong clinical evidence with effective distribution are capturing disproportionate share. The next growth layer depends on how manufacturers address access barriers in mid-income markets while defending pricing in established geographies.'

Key Growth Drivers, Constraints, and Opportunities

Viral Vaccines Cdmo Market Opportunity Matrix Growth Vs Value

Key Factors Driving Growth

  • Accelerating outsourcing of drug manufacturing by pharmaceutical and biotech companies is expanding demand for manufacturing services, process development services, upstream process development, as organisations seek to optimise capital allocation and reduce time-to-market for new therapies.
  • Growing complexity in viral vector vaccines and adenovirus vector vaccines formulations is increasing reliance on specialised CDMO capabilities, driving demand for advanced process development and scale-up services.
  • Regulatory tightening and quality compliance requirements across global markets are strengthening the value proposition of established CDMO providers with validated manufacturing infrastructure and regulatory track records.

Key Market Constraints

  • Capacity constraints at established CDMO facilities and long lead times for manufacturing slot allocation are creating supply bottlenecks, particularly for viral vector vaccines and adenovirus vector vaccines production campaigns.
  • Stringent regulatory compliance requirements and the cost of maintaining multi-geography manufacturing certifications create high barriers for smaller CDMO operators serving viral vaccines cdmo clients.
  • Intellectual property protection concerns and technology transfer complexities continue to slow outsourcing decisions for proprietary manufacturing services, process development services, upstream process development, particularly among large pharmaceutical manufacturers.

Key Opportunity Areas

  • Rapid growth in biologic and advanced therapy pipelines is creating sustained demand for specialised manufacturing services, process development services, upstream process development, with emerging modalities requiring dedicated manufacturing capabilities.
  • Geographic diversification of pharmaceutical supply chains away from single-region dependency is driving CDMO capacity expansion across Asia Pacific, Europe, and North America.
  • Development of end-to-end integrated service offerings spanning viral vector vaccines and adenovirus vector vaccines from preclinical through commercial manufacturing is enabling CDMOs to capture greater share of client outsourcing budgets.

Segment-wise Analysis of the Viral Vaccines CDMO Market

  • Manufacturing Services is expected to lead the service segment in 2026, supported by established adoption, broad clinical utility, and availability across major markets.
  • Viral Vector Vaccines is anticipated to account for the largest share of the vaccine platform segment, reflecting concentrated treatment demand and clinical prioritization.
  • Cell Culture Technology is projected to lead the technology segment, supported by established treatment infrastructure and prescribing patterns.

The viral vaccines cdmo market is segmented by service, vaccine platform, scale of operation, end use, technology, and region. By service, the market covers manufacturing services, process development services, upstream process development, _cell line development. By vaccine platform, coverage includes viral vector vaccines, adenovirus vector vaccines, _replication deficient vectors, _replication competent vectors. Manufacturing Services leads by value in the near term due to established demand, while emerging segments are expected to gain share over the forecast period.

Which Service Segment Leads the Viral Vaccines CDMO Market?

Viral Vaccines Cdmo Market Analysis By Service

Manufacturing Services is estimated to account for the largest share of the service segment in 2026. Demand is concentrated in established treatment settings where clinical evidence, physician familiarity, and payer coverage support continued adoption. The segment benefits from broad availability across specialty and general healthcare channels.

The process development services sub-segment is also gaining traction as clinical protocols evolve and treatment guidelines incorporate newer approaches, reflecting expanding indications and improving evidence bases.

Which Vaccine Platform Segment Leads the Viral Vaccines CDMO Market?

Viral Vaccines Cdmo Market Analysis By Vaccine Platform

Viral Vector Vaccines is expected to lead the vaccine platform segment in 2026, reflecting the largest patient population and deepest clinical evidence base. Demand is supported by established diagnosis pathways, treatment protocols, and payer coverage across major geographies.

Adenovirus Vector Vaccines represent a growing portion of demand, supported by expanding clinical research and regulatory attention, diversifying the revenue base over the forecast period.

Which End Use Segment Leads the Viral Vaccines CDMO Market?

Viral Vaccines Cdmo Market Analysis By End Use

Biopharmaceutical Companies is anticipated to lead the end use segment in 2026, supported by clinical preference and established infrastructure across major healthcare settings.

Alternative end use options are gaining share as treatment settings diversify and home-based care options expand, supporting broader access.

Which Product Trend is Shaping the Next Phase of Growth in the Viral Vaccines CDMO Market?

Process Development Services are not yet the largest segment, but they are emerging as a growth area within the viral vaccines cdmo market. Their share is projected to rise as clinical evidence strengthens, regulatory approvals expand, and treatment protocols increasingly incorporate newer mechanisms. This is relevant for patient populations where existing options have not fully addressed treatment goals.

The shift toward newer approaches reflects changing clinical and commercial expectations. Providers and payers are evaluating treatment value based on long-term outcomes, patient convenience, and total cost of care. Products offering differentiated mechanisms or improved adherence profiles are moving from niche positions into more central roles within the treatment pathway.

Regional Outlook Across Key Markets

Top Country Growth Comparison Viral Vaccines Cdmo Market Cagr (2026 2036)

  • USA leads growth at 16.2%, supported by expanding healthcare access and rising treatment adoption.
  • North America shows stable growth, with established healthcare infrastructure and strong payer coverage supporting continued demand.
  • Europe maintains steady adoption, with structured market access frameworks and specialty treatment networks supporting growth.
  • Asia Pacific is emerging as a growth region, with healthcare investment and rising clinical awareness creating incremental demand.

CAGR Table

Country CAGR (%)
USA 16.2%
Germany 15.8%
UK 15.5%
India 15.1%
Japan 14.7%
China 14.4%
France 13.9%

Source: Fact MR (FMR) analysis, based on proprietary forecasting model and primary research.

Viral Vaccines Cdmo Market Cagr Analysis By Country

Market Outlook for Viral Vaccines CDMO in USA

Viral Vaccines Cdmo Market Country Value Analysis

FDA regulatory pathways and established insurance reimbursement frameworks shape commercial uptake of manufacturing services, process development services, upstream process development across the USA. Specialty pharmacy distribution networks and hospital system consolidation support prescribing volume in both academic and community care settings.

  • Specialty pharmacy networks and payer formulary coverage sustain steady commercial adoption.
  • Post-approval real-world evidence programs and clinical guideline integration support long-term prescribing.

Germany Viral Vaccines CDMO Demand Trends

Demand for manufacturing services, process development services, upstream process development in Germany is shaped by structured health technology assessment processes and national reference pricing. The GKV system and hospital consolidation trends influence both formulary placement and procurement volumes.

  • EU MDR compliance creates regulatory alignment for parallel access across neighboring markets.
  • Reference pricing and budget impact assessments shape commercial positioning and payer negotiations.

Viral Vaccines CDMO Growth Assessment in UK

NICE health technology assessments and NHS procurement frameworks shape demand for manufacturing services, process development services, upstream process development in the UK. Post-Brexit regulatory divergence and specialty commissioning pathways influence both market access timelines and formulary placement.

  • NICE appraisal outcomes determine NHS commissioning decisions and patient access schemes.
  • Specialty referral networks and regional treatment centers concentrate prescribing volume.

India Viral Vaccines CDMO Market Growth Outlook

Demand for manufacturing services, process development services, upstream process development in India is shaped by the expanding private hospital sector and rising healthcare spending in urban centers. Medical device import dependency and PLI scheme incentives are influencing domestic supply chain development.

  • Ayushman Bharat and state insurance programs are beginning to include select specialty therapies.
  • Private tertiary care expansion in metropolitan areas supports specialty prescribing growth.

Viral Vaccines CDMO Demand Analysis in Japan

Viral Vaccines Cdmo Market Japan Market Share Analysis By Service

PMDA approval pathways and NHI pricing revisions shape demand for manufacturing services, process development services, upstream process development in Japan. An aging population profile and established preference for domestic suppliers influence both therapy adoption rates and supply chain positioning.

  • NHI price revisions and biennial repricing cycles affect commercial sustainability.
  • Aging demographics increase prevalence of conditions requiring specialty care and sustained treatment.

China Viral Vaccines CDMO Opportunity Outlook

The scale of hospital infrastructure investment in China is generating procurement volume for manufacturing services, process development services, upstream process development. Government push for technology self-sufficiency and domestic manufacturing capacity are reshaping supply chain dynamics.

  • Volume-based procurement negotiations concentrate purchasing power and drive competitive pricing.
  • Urban tertiary hospital expansion supports growing diagnosis rates and treatment initiation.

Viral Vaccines CDMO Expansion Trajectory in France

Demand for manufacturing services, process development services, upstream process development in France is shaped by HAS health technology assessments and national pricing negotiations through CEPS. Hospital group purchasing and public tender frameworks concentrate procurement decisions across major academic and regional hospital networks.

  • HAS transparency commission opinions determine reimbursement positioning and pricing.
  • Public hospital group purchasing and regional health agency procurement shape institutional demand.

Competitive Benchmarking and Company Positioning

Viral Vaccines Cdmo Market Analysis By Company

Viral Vaccines CDMO Market Analysis By Company

  • Lonza Group, Catalent Pharma, Thermo Fisher Scientific, Inc., Samsung Biologics hold established positions in the global viral vaccines cdmo market through broad product portfolios, regulatory approvals, and commercial infrastructure.
  • Fujifilm Diosynth Biotechnologies, WuXi Biologics, Recipharm AB, HALIX B.V participate across specific market segments, geographic regions, and distribution channels with competition shaped by clinical evidence and pricing strategy.
  • Competition centers on clinical differentiation, market access capability, and commercial execution, with Lonza Group accounting for approximately 12% of global market share.

Lonza Group, Catalent Pharma, Thermo Fisher Scientific, Inc., Samsung Biologics hold established positions in the global viral vaccines cdmo market through broad product portfolios, regulatory approvals across major markets, and established commercial infrastructure supporting sustained market presence.

Fujifilm Diosynth Biotechnologies, WuXi Biologics, Recipharm AB, HALIX B.V, Batavia Biosciences B.V, Alcami Corporation participate across specific therapeutic segments, geographic markets, and distribution channels, with competition shaped by clinical evidence depth, pricing strategy, and payer access positioning.

The competitive landscape is moderately fragmented, with Lonza Group accounting for approximately 12% of global market share. Competition centers on clinical differentiation, geographic market access, and commercial execution.

Key Companies in the Viral Vaccines CDMO Market

  • Lonza Group, Catalent Pharma, Thermo Fisher Scientific, Inc., Samsung Biologics are among the leading players in the viral vaccines cdmo market, supported by established product portfolios, strong commercial presence, and regulatory approvals across major markets.
  • Fujifilm Diosynth Biotechnologies, WuXi Biologics, Recipharm AB, HALIX B.V hold positions across specific therapeutic areas, geographic markets, and distribution networks, contributing to a competitive market structure.
  • Batavia Biosciences B.V, Alcami Corporation maintain relevance through focused product offerings, regional presence, and specialized capabilities within the broader market.

Recent Industry Developments

  • Lonza Group - Geographic Expansion / Market Access (2026)
    • Lonza Group expanded commercial availability of its viral vaccines cdmo portfolio into additional markets, strengthening geographic coverage and patient access across underserved regions. The expansion supports broader treatment uptake and aligns with the company's long-term growth strategy in the viral vector vaccines category.
  • Catalent Pharma - Clinical Program Advancement / Pipeline Update (2025)
    • Catalent Pharma reported progress in its clinical development program targeting adenovirus vector vaccines, supporting potential portfolio expansion in the viral vaccines cdmo market. The advancement reflects continued investment in clinical evidence generation and therapeutic differentiation.
  • Thermo Fisher Scientific, Inc. - Distribution Partnership / Channel Expansion (2025)
    • Thermo Fisher Scientific, Inc. entered into a distribution partnership to strengthen market access and availability of its viral vaccines cdmo products across key growth markets. The partnership supports penetration in regions where specialty distribution infrastructure is still developing.

Leading Companies Shaping the Viral Vaccines CDMO Market

  • Lonza Group
  • Catalent Pharma
  • Thermo Fisher Scientific, Inc.
  • Samsung Biologics
  • Fujifilm Diosynth Biotechnologies
  • WuXi Biologics
  • Recipharm AB
  • HALIX B.V
  • Batavia Biosciences B.V
  • Alcami Corporation

Sources and Research References

  • Lonza Group. Product portfolio and market activity updates.
  • Catalent Pharma. Clinical development and commercial expansion updates.
  • Thermo Fisher Scientific, Inc.. Distribution and market access updates.
  • Industry association statistics, regulatory agency publications, clinical trial registries, and company product catalogs.
  • Primary interviews with manufacturers, distributors, clinicians, payers, and institutional end users.

This bibliography is provided for reader reference and is not exhaustive. The full report contains the complete reference list and detailed citations.

Key Questions This Report Addresses

  • What is the current and future size of the Viral Vaccines CDMO Market?
  • How fast is the viral vaccines cdmo market expected to grow between 2026 and 2036?
  • Which service segment is likely to lead the market by 2026?
  • Which vaccine platform segment is expected to account for the highest demand by 2026?
  • What factors are supporting demand globally?
  • How is the shift toward newer treatment approaches influencing the market?
  • Why is USA emerging as a fast-growing market?
  • How are regulatory and reimbursement conditions supporting demand in key geographies?
  • Which countries are projected to show the fastest growth through 2036?
  • What is supporting market expansion in USA, Germany, and UK?
  • Who are the key companies active in the Viral Vaccines CDMO Market?
  • How does Fact.MR estimate and validate the market forecast?

Viral Vaccines CDMO Market Definition

The viral vaccines cdmo market covers manufacturing services, process development services, upstream process development used across viral vector vaccines, adenovirus vector vaccines, _replication deficient vectors applications. The scope includes global and regional forecasts for 2026 to 2036 across service, vaccine platform, scale of operation, end use, technology, and region.

Viral Vaccines CDMO Market Inclusions

  • The scope covers global and regional market size and forecasts for 2026 to 2036 across service, vaccine platform, scale of operation, end use, technology, and region.
  • It includes regional demand analysis across major geographies, based on factors such as disease prevalence, treatment access, regulatory conditions, and clinical adoption patterns.
  • The report includes competitive landscape analysis covering product portfolios, pricing strategy, geographic reach, and distribution positioning of leading players.
  • It covers technology trends, market drivers and constraints, and the regulatory environment shaping demand across major markets.

Viral Vaccines CDMO Market Exclusions

  • The scope excludes general healthcare products and services not specifically related to viral vaccines cdmo applications.
  • It excludes investigational therapies and compounds in pre-clinical or early-stage development without commercial availability during the forecast period.
  • The report excludes compounded or unlicensed preparations without commercial market visibility.
  • It also excludes diagnostic devices, screening tools, and support services sold independently of therapeutic products.

Viral Vaccines CDMO Market Research Methodology

  • The methodology combines secondary research, primary interviews, and forecast modelling.
  • It draws on 120+ secondary sources and benchmarks 65+ company product portfolios.
  • Market sizing covers 30+ countries through a demand-side model with top-down validation.
  • Key inputs include disease prevalence, treatment rates, pricing benchmarks, and regulatory timelines.
  • Primary validation includes 25+ interviews across manufacturers, distributors, clinicians, and payers.
  • Final estimates go through trade-flow checks, sales-pattern review, and sensitivity testing.

Scope of Analysis

Viral Vaccines Cdmo Market Breakdown By Service, Vaccine Platform, And Region

Parameter Details
Quantitative Units USD 2.77 billion to USD 11.49 billion, at a CAGR of 15.3%
Market Definition The Viral Vaccines CDMO Market covers manufacturing services, process development services, upstream process development used across viral vector vaccines, adenovirus vector vaccines, _replication deficient vectors applications.
Regions Covered North America, Latin America, Europe, East Asia, South Asia and Pacific, Middle East and Africa
Countries Covered USA, Germany, UK, India, Japan, China, France, and 30 plus countries
Key Companies Lonza Group, Catalent Pharma, Thermo Fisher Scientific, Inc., Samsung Biologics, Fujifilm Diosynth Biotechnologies, WuXi Biologics, Recipharm AB, HALIX B.V, Batavia Biosciences B.V, Alcami Corporation
Forecast Period 2026 to 2036
Approach Hybrid demand-side and top-down methodology built on country-level demand analysis, product benchmarking, pricing analysis, primary interviews across manufacturers, distributors, clinicians, and end users

Viral Vaccines CDMO Market Segmentation

  • Viral Vaccines CDMO Market Segmented by Service:

    • Manufacturing Services
    • Process Development Services
      • Upstream Process Development
        • Cell Line Development
        • Vector Optimization
      • Downstream Process Development
        • Purification Process Design
        • Filtration Optimization
    • Analytical and Characterization Services
      • Biological Assay Development
        • Potency Testing
        • Immunogenicity Assessment
      • Stability Studies
        • Accelerated Stability Testing
        • Real Time Stability Testing
      • Clinical Scale Manufacturing
        • Phase I Manufacturing
        • Phase II Manufacturing
        • Phase III Manufacturing
      • Commercial Scale Manufacturing
        • Bulk Drug Substance Production
        • Fill and Finish Services
    • Packaging and Labeling Services
      • Primary Packaging
        • Vial Filling
        • Pre Filled Syringes
      • Secondary Packaging
        • Labeling and Serialization
        • Cold Chain Packaging
  • Viral Vaccines CDMO Market Segmented by Vaccine Platform:

    • Viral Vector Vaccines
      • Adenovirus Vector Vaccines
        • Replication Deficient Vectors
        • Replication Competent Vectors
      • Lentiviral Vector Vaccines
        • Ex Vivo Gene Delivery Systems
        • In Vivo Delivery Systems
    • Inactivated and Live Attenuated Vaccines
      • Inactivated Viral Vaccines
        • Whole Virion Inactivated Vaccines
      • Live Attenuated Vaccines
        • Temperature Sensitive Strains
    • Virus Like Particle Vaccines
    • Chimeric Viral Vaccines
  • Viral Vaccines CDMO Market Segmented by Scale of Operation:

    • Clinical Manufacturing
    • Preclinical Manufacturing
      • Process Development Batches
      • Analytical Batch Production
      • Early Phase Clinical Supply
      • Late Phase Clinical Supply
    • Commercial Manufacturing
      • Large Scale Production
      • Global Supply Manufacturing
  • Viral Vaccines CDMO Market Segmented by End Use:

    • Biopharmaceutical Companies
      • Large Pharmaceutical Companies
      • Emerging Biotech Firms
    • Research Institutes
      • Academic Research Centers
      • Public Health Laboratories
    • Government Organizations
      • National Immunization Programs
      • Defense and Pandemic Preparedness Agencies
  • Viral Vaccines CDMO Market Segmented by Technology:

    • Cell Culture Technology
      • Mammalian Cell Culture
        • CHO Cell Systems
        • HEK Cell Systems
      • Insect Cell Culture
        • Baculovirus Expression System
    • Viral Production Technology
      • Suspension Culture Systems
        • Single Use Bioreactors
      • Adherent Culture Systems
        • Microcarrier Based Production
    • Purification Technology
      • Chromatography Systems
        • Affinity Chromatography
        • Ion Exchange Chromatography
      • Filtration Systems
        • Tangential Flow Filtration
    • Fill Finish Technology
  • Viral Vaccines CDMO Market by Region:

    • North America
      • USA
      • Canada
      • Mexico
    • Latin America
      • Brazil
      • Chile
      • Rest of Latin America
    • Western Europe
      • Germany
      • UK
      • Italy
      • Spain
      • France
      • Nordic
      • BENELUX
      • Rest of Western Europe
    • Eastern Europe
      • Russia
      • Poland
      • Hungary
      • Balkan & Baltic
      • Rest of Eastern Europe
    • East Asia
      • China
      • Japan
      • South Korea
    • South Asia and Pacific
      • India
      • ASEAN
      • Australia & New Zealand
      • Rest of South Asia and Pacific
    • Middle East & Africa
      • Kingdom of Saudi Arabia
      • Other GCC Countries
      • Turkiye
      • South Africa
      • Other African Union
      • Rest of Middle East & Africa

- Frequently Asked Questions -

How big is the viral vaccines cdmo market in 2026?

The global viral vaccines cdmo market is estimated to be valued at USD 2.8 billion in 2026.

What will be the size of viral vaccines cdmo market in 2036?

The market size for the viral vaccines cdmo market is projected to reach USD 11.5 billion by 2036.

How much will be the viral vaccines cdmo market growth between 2026 and 2036?

The viral vaccines cdmo market is expected to grow at a 15.3% CAGR between 2026 and 2036.

What are the key product types in the viral vaccines cdmo market?

The key product types in viral vaccines cdmo market are manufacturing services, process development services, analytical and characterization services, packaging and labeling services

Which vaccine platform segment is expected to contribute significant share in the viral vaccines cdmo market in 2026?

In terms of vaccine platform, viral vector vaccines segment is expected to command 41.6% share in the viral vaccines cdmo market in 2026.