https://www.ksl.com/article/50765514/pfizer-biontech-say-flu-covid-shot-generates-strong-immune-response-in-trial
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10/27/23 at 3:32pm
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KSL.com
Pfizer 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 early- to mid-stage trial.
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