Health

Tweaked COVID vaccines in testing aim to fend off variants

Dozens of Americans are rolling up their sleeves for a third dose of COVID-19 vaccine — this time, shots tweaked to guard against a worrisome coronavirus variant.

Make no mistake: The vaccines currently being rolled out across the U.S. offer strong protection. But new studies of experimental updates to the Moderna and Pfizer-BioNTech vaccines mark a critical first step toward a backup plan if the virus eventually outsmarts today’s shots.

“We need to be ahead of the virus,” said Dr….


Click here to view the original article.

Show More

Related Articles

Back to top button