As we get closer to a COVID vaccine rollout, you may be wondering how such a vaccine will work. WebMD Chief Medical Officer Dr. John Whyte explains.Subscribe to WebMD:Follow WebMD: Website: Facebook: Pinterest: Twitter: Instagram: Coronaviruscovidcovid vaccineCOVID-19COVID-19 immunityCOVID19immune systemIMMUNITYpublic healthVaccinevideoVITAMINvlogVocabularyYouTubeRelated Posts What Happens When the Immune System Learns to Tolerate COVID? January 6, 2026 What Happens When the Immune System Learns to Tolerate COVID? January 5, 2026 So much #research happening!#covid19 #doctor #themoreyouknow #immunity #virus #antibodytesting January 3, 2026 Immune System vs. Viruses: Can We Ever Win? #shorts December 23, 2025 Probiotics, Immunity & COVID – Why I Waited for the Research December 19, 2025 Did Covid Change Your Brain? Doctor Explains December 17, 2025
So much #research happening!#covid19 #doctor #themoreyouknow #immunity #virus #antibodytesting January 3, 2026