Tweaked COVID boosters close but how much will they help? - New Delhi Times - India Only International Newspaper

COVID-19 vaccines tweaked to better match today’s omicron threat are expected to roll out in a few weeks but still up in the air is how much benefit the booster shots will offer, who should get one -- and how soon. Pfizer and rival Moderna both asked U.S. regulators this week to authorize modified versions…

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