COVID-19 reinfection unlikely for at least six months, study finds

Modesto Morganelli
Novembre 22, 2020

The report claims to be the first significant look at how coronavirus resistance functions.

"This is really good news, because we can be sure that, in a short time, most people who receive COVID-19 will not be seen again", said David Eyre, a professor at the Nuffield Department of Population Health in Oxford.

The findings should offer some reassurance for the more than 51 million people worldwide who have been infected, researchers at the University of Oxford said.

"Being infected with COVID-19 does offer protection against reinfection for most people for at least six months ..."

He explained after following individuals for six months that the researchers were excited to talk about their outcomes. Septic shock suggested an untreated urinary infection, E. coli in his body from his own feces hinted at poor hygiene, and aspiration pneumonia indicated Wallace, who needed help with meals, had likely choked on his food.

We will continue to follow this cohort of staff carefully to see how long protection lasts and whether the previous infection affects the severity of infection if people do get infected again, he said. He said all three were OK and did not develop code-19 symptoms.

The analysis found that none with antibodies against the virus tested positive over the course of roughly seven months. The hospital tested staff regularly for COVID-19, both when they became unwell with symptoms and also as part of regular testing of well staff.

It found that none of the 1,246 staff with coronavirus antibodies developed a symptomatic infection.

This study mirrors the recent results of research from Iceland.

Staff with antibodies were also less likely to test positive for COVID-19 without symptoms, 76 staff without antibodies tested positive compared to just 3 with antibodies.

All of these studies on immunity and reinfection have implications as researchers seek to develop a vaccine against the virus and, hopefully, bring about an end to the pandemic.

Our comprehensive staff testing programme is revealing a regular stream of valuable information as we try to better understand how to tackle this disease, added OUH Chief Executive Officer Dr Bruno Holthof.

Several cases of reinfection have been reported, in which people with confirmed COVID-19 recover and then test positive - with a different strain of the virus - a few months later.

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