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With an uptick in Covid-19 cases, there is growing alarm. 'We've seen almost an entire takeover in the Delta variant,' one state official says
By Aya Elamroussi
Study shows booster shot after 6 to 12 months likely to provide best protection from COVID-19, Pfizer says
By Mark Osborne & Eric M. Strauss
99.2% of US Covid deaths in June were unvaccinated, says Fauci
By Lauren Aratani
Meme Trumpets Falsehood About Delta Variant
By Hale Spencer
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Yes, you can still get COVID after being vaccinated, but you're unlikely to get as sick
By Lara J. Herrero