When does covid stop spreading? A new study reveals

Around the 50% of those who tested positive in a antigen test five days after catch of coronavirus probably are no longer contagious From this moment. This is explained by a study published by the medical journal’Journal of the American Medical Associationconducted by two American doctors: Lisa A. Cosimi from Brigham and Women’s Hospital, and Deborah T. Hung, from the Broad Institute.

The researchers observed that those who gave negative on the rapid test on the sixth day of infection (25% of the participants) had a negative viral cultureso already could not transmit the disease.

shorter quarantines

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However, the half of three quarters what did they give positive for antigenthey got a negative viral culture. The study group was made up mostly of young people who had been vaccinated and who did not require hospitalization.

The request of a negative rapid test can to extend so unnecessary the lockdowns of those who have ceased to be contagious, but allowing the quarantines end when symptoms improve can sit a bad precedent for those who still do. Thus, recommend don’t forget about wear a mask Y avoid crowded spaces.

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