antibodies

COVID-19

Studies find having COVID-19 may protect against reinfection

Two new studies give encouraging evidence that having COVID-19 may offer some protection against future infections. Researchers found that people who made antibodies to the coronavirus were much less likely to test positive again for up to six months and maybe longer. The results bode well for vaccines, which provoke the immune system to make

COVID-19

1 in 10 Maricopa County residents have likely had COVID-19, new study finds

The number of COVID-19 infections in Arizona’s most populous county probably is far higher than what official counts show, according to a survey that found 1 in 10 residents have likely had the novel coronavirus that causes the disease. As health experts worry about a new spike in infections, a study by the Maricopa County

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