The president tested positive for the coronavirus on Thursday and is expected to isolate for at least five days before resuming normal activities.
Tag: Vaccination and Immunization
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First Polio Case in Nearly a Decade Is Detected in New York State
An adult who lives in Rockland County was infected by someone who received the oral polio vaccine, which is no longer used in the United States, officials said.
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Why Biden’s Second Booster Wasn’t Enough to Prevent Infection
The Omicron variant is evolving in ways that make it better able to evade the body’s immune defenses. But booster shots still help prevent severe illness.
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Deep in a Covid Wave, Europe Counts Cases and Carries On
Even in countries that once took strict measures, the authorities are relying on vaccination and past infections to take the sting out of Omicron subvariants.