Boston doctor discusses effectiveness of COVID-19 booster shots
Dr. Mark Siedner, of Mass General, also talks about the FDA's decision to delay its meeting on COVID-19 vaccines for children under the age of 5.
Source: wcvb.com
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Dr. Mark Siedner, of Mass General, also talks about the FDA's decision to delay its meeting on COVID-19 vaccines for children under the age of 5.
The new omicron coronavirus variant is now forecast to become the primary source of infections in the United States.