Covid booster shots effective against severe illness from omicron, CDC studies say

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A booster dose of the Covid-19 vaccine significantly reduces a person’s odds of hospitalization from the omicron variant, new research released Friday by the Centers for Disease Control and Prevention finds.

By Erika Edwards

A booster dose of the Covid-19 vaccine significantly reduces a person’s odds of hospitalization from the omicron variant, new research released Friday by the Centers for Disease Control and Prevention finds.

The three new studies from the agency are among the first to look at the vaccines’ impact against omicron in the United States, which now accounts for more than 99 percent of new cases in the country.

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