…natural immunity.
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Dr. Scott Gottlieb says people who had Covid won’t be immune forever, should get vaccinated
Natural Covid immunity is likely "not going to last in perpetuity," former FDA chief Dr. Scott Gottlieb told CNBC on Wednesday.
Impact of Delta on viral burden and vaccine effectiveness against new SARS-CoV-2 infections in the UK
The effectiveness of BNT162b2, ChAdOx1, and mRNA-1273 vaccines against new SARS-CoV-2 infections requires continuous re-evaluation, given the increasingly dominant Delta variant. We investigated the effectiveness of the vaccines in a large community-based survey of randomly selected households...
