https://www.reuters.com/business/healthcare-pharmaceuticals/pfizer-biontech-say-flu-covid-shot-generates-immune-response-2023-10-26/
Pfizer <a href="https://www.reuters.com/markets/companies/PFE.N" target="_blank">(PFE.N)</a> and German partner BioNTech said on Thursday that their vaccine to prevent flu and COVID-19 generated a strong immune response against strains of the viruses in an ea…
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