Where's the next generation of COVID-19 shots? - The Verge

The original COVID-19 vaccines targeted a version of the coronavirus that doesn’t exist anymore. Vaccine companies and regulators are working on ways to upgrade the vaccines to offer better protection against omicron and other variants.

Over a year after the US authorized its first vaccines, COVID cases continue to pile up, leaving many vaccinated people wondering: Do I need a vaccine upgrade? People who are fully vaccinated and boo… [+9060 chars]

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