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The effectiveness of COVID-19 vaccines for people in American nursing homes and long-term care facilities, where residents are often elderly and frail, has dropped since the Delta variant became dominant in the United States, government researchers said on Wednesday.
Pregnant women should get vaccinated against Covid-19, according to the U.S. Centers for Disease Control and Prevention
The United States has authorised an extra dose of Covid vaccine for people with weakened immune systems, as the country struggles to thwart the Delta variant. "The country has entered yet another wave of the Covid-19 pandemic, and the FDA is especially cognizant that immunocompromised people are particularly at risk for severe disease," said acting Food and Drug Administration Commissioner Janet Woodcock in a statement.
A month after a third shot, 55% developed antibody levels likely to provide notable protection, study finds
The announcement by the Food and Drug Administration applies to millions of Americans who are especially vulnerable because of organ transplants, certain cancers or other disorders