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Vaccine

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One year since first Pfizer vaccination

It has been exactly one year since the Food and Drug Administration authorized the Pfizer vaccine — the first of three COVID-19 vaccines now in use in the United States. During that time, more than 480 million shots have been administered. But even with those protections, case numbers have gone up 22% in the past two weeks. That sharp increase is a stark reminder that despite the effectiveness of the vaccines, the virus is still able to spread. Michael George has the latest.

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Delta variant still dominates new infections

Health officials are reporting more than 100,00 COVID-19 cases per day for the first time since early October. According to the CDC, the Delta variant is still the main source of infections in the country despite growing concerns over the Omicron strain. CBS news correspondent Nikki Battiste reports on new measures to curb the spread of the virus. Then, Dr. Payal Patel, an infectious diseases physician at the University of Michigan Medical School, joins CBSN's Elaine Quijano with her analysis.

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