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Vaccine development and manufacturing demand confident decisions that balance speed, quality, and performance. Thermo Fisher Scientific supports these efforts with vaccine bioprocessing solutions that help teams design, test, and scale processes aligned with shared performance goals, reducing risk and enabling predictable outcomes.
Select and design cell culture strategies that align with viral vaccine modality, scale, and downstream requirements. Adherent cell culture systems and suspension-based systems should be evaluated based on cell line behavior, virus yield, and process control needs, as these early decisions directly influence productivity, consistency, and compatibility with downstream harvest and purification steps throughout development and manufacturing.
Chemically defined, serum-free, and animal origin–free (AOF) media strategies support vaccine workflows by helping reduce variability and maintain process consistency. Scalable media and supplement selection enables both traditional scale-up and scale-out approaches for adherent and suspension cultures. Using Gibco media and Gibco peptones allows teams to align development conditions with commercial manufacturing expectations, enabling reproducible virus production and downstream compatibility as processes mature. These media strategies are supported by workflow-focused development services and technical specialists who help optimize conditions and carry early decisions forward into manufacturing.
Approach virus harvest as a controlled transition from upstream production into downstream processing, where recovery efficiency, process containment, and handling consistency directly influence yield and contamination risk. Harvest strategies should align with culture format and scale, with closed-system approaches used where possible to reduce open manipulations and support operational control from upstream production through downstream processing.
Closed and scalable harvest solutions, such as Thermo Scientific Harvestainer Bioprocess Container (BPC), are designed to enable consistent virus recovery across development and manufacturing scales. Integrating harvest and clarification strategies, such as depth filtration and centrifugation tailored to adherent and suspension processes, helps minimize cells and process-related debris while protecting downstream unit operations. Designing harvest and recovery workflows early supports scalable execution and helps establish consistent purification performance.
Address purification challenges by selecting workflows that account for the diversity of vaccine formats, including viral vector-based vaccines, proteins, messenger RNA (mRNA), and virus-like particles (VLPs), with purification approaches tailored to vaccine modality. Multi-step chromatographic strategies help balance yield, impurity clearance, and process efficiency while accommodating differences in molecular size, surface properties, and stability. Access to purification development support and experienced technical specialists helps teams translate purification strategies into robust, scalable processes aligned with manufacturing needs.
Affinity-based purification can reduce multiple chromatography steps and increase the overall yield by selective capture of target molecules across vaccine workflows, including proteins, VLPs, viral vector-based vaccines, and mRNA. An affinity tag can be added and recognized by an affinity resin specific to that peptide sequence.
Affinity capture using CaptureSelect technologies can be paired with ion exchange (IEX), hydrophobic interaction chromatography (HIC), and mixed-mode chromatography (MMC) steps to strengthen impurity clearance and overall process robustness. Anion exchange (AEX) and cation exchange (CEX) approaches support capture and polishing by managing charge-based heterogeneity. HIC offers an orthogonal separation mechanism based on differences in hydrophobicity, while mixed-mode chromatography uses multiple interaction mechanisms for challenging separations.
Establish formulation strategies that support product stability, consistency, and manufacturability as vaccine processes move toward fill–finish and release. Qualified buffers, excipients, and cGMP-grade materials help control variability during preparation, transfer, and storage. Flexible packaging options, along with ready-to-use or ready-to-hydrate formats, enable alignment with manufacturing and formulation requirements, improving workflow efficiency and supply continuity as vaccine programs progress.
Integrate analytical and quality control strategies across vaccine workflows to support stage-appropriate decision-making, product quality, and regulatory readiness. Molecular testing enables timely, actionable data to monitor impurities and contaminants, assess process performance, and inform lot disposition as vaccine processes scale.
Regulatory insights offer recommendations and limits for residual DNA per dose, making accurate quantitation important. The Applied Biosystems resDNASEQ Residual Host Cell DNA Kit supports measurement of residual host cell DNA across common vaccine expression systems, including HEK293, E. coli, Chinese hamster ovary (CHO), Sf9/Sf21 (baculovirus expression systems), MDCK, and Vero cells. For vaccine programs using HEK293 cell lines, the Applied Biosystems resDNASEQ Quantitative E1A DNA Fragment Length Kit enables targeted quantitation of residual HEK293 DNA fragments for downstream process monitoring and documentation. Residual plasmid DNA associated with kanamycin resistance genes can be quantified using the Applied Biosystems resDNASEQ Quantitative Plasmid DNA – Kanamycin Resistance Gene Kit.
Vaccine production also requires monitoring for adventitious agents. The Applied Biosystems MycoSEQ Mycoplasma Detection System enables rapid detection of mycoplasma at multiple process stages, including cell lines, cell banks, and harvest media, helping reduce downstream contamination risk compared to traditional culture-based methods. Viral safety testing approaches such as the Applied Biosystems ViralSEQ Quantitative Sf-Rhabdovirus Kit enable quantitation of known contaminants in Sf9 and Sf21 cell systems, supporting viral risk assessment for products manufactured using insect cell platforms.
Advance vaccine programs into commercial manufacturing by aligning workflows, materials, and analytics early in process design. Global supply continuity, qualified materials, and workflow-focused technical support enable teams to maintain process consistency and manage risk as scale and demand increase.
Connect with Thermo Fisher Scientific to discuss how vaccine bioprocessing solutions can support your program as it advances.