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Protective immunity against novel coronavirus may last for over eight months, new study claims
The study also clarifies some concerning data from other institutes that showed a dramatic drop in COVID-fighting antibodies in the months post-infection.
Jan 08, 2021 10:41:15 IST
COVID-19 survivors may have protective immunity against serious disease from the SARS-CoV-2 virus for months, or even years after the infection, a study suggests. The findings, based on analyses of blood samples from 188 COVID-19 patients, suggest that nearly all survivors of the disease have the immune cells necessary to fight re-infection. Our data suggest that the immune response is there – and it stays, Professor Alessandro Sette from La Jolla Institute for Immunology in the US.
Study: For most, a case of COVID-19 gives months-long immunity
This comes amid concerns about mutant variants of the coronavirus, including one originally identified in the United Kingdom and spreading rapidly there.
By Joel AchenbachThe Washington Post
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The human body typically retains a robust immune response to the coronavirus for at least eight months after an infection, and potentially much longer, researchers said in a study published in the journal Science. About 90 percent of the patients studied showed lingering, stable immunity, the study found.
The coronavirus has been shrouded in unknowns and uncertainties since it emerged a little more than a year ago, and one of the biggest questions has been whether people can get reinfected, and if so, how quickly. There have been isolated reports of people having a second case of COVID-19, the disease caused by the virus, but that appears to be rare, and the new study bolsters the case that immunity usually persists.
If someone has tested positive for COVID-19, how long can immunity last? Researchers say they now have the answers thanks to blood tests. The findings, based on analyses of blood samples from 188 COVID-19 patients, suggests immunity can last for at least eight months after the onset of symptoms from the initial infection, according to […]