Pfizer says tweaked COVID-19 shots boost Omicron protection – CTV

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Pfizer says tweaked COVID-19 shots boost Omicron protection – CTV

by tmnationtalk on June 27, 202248 Views

June 25, 2022

Pfizer announced Saturday that tweaking its COVID-19 vaccine to better target the Omicron variant is safe and works — just days before regulators debate whether to offer Americans updated booster shots this fall.

The vaccines currently used in the U.S. still offer strong protection against severe COVID-19 disease and death — especially if people have gotten a booster dose. But those vaccines target the original coronavirus strain and their effectiveness against any infection dropped markedly when the super-contagious Omicron mutant emerged.

Now with Omicron’s even more transmissible relatives spreading widely, the Food and Drug Administration is considering ordering a recipe change for the vaccines made by both Pfizer and rival Moderna in hopes that modified boosters could better protect against another COVID-19 surge expected this fall and winter.

Read more: https://www.ctvnews.ca/health/coronavirus/pfizer-says-tweaked-covid-19-shots-boost-omicron-protection-1.5963027

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