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Covid-19 reinfection unlikely for no less than 6 months after contracting the virus – new research

A College of Oxford research has discovered that individuals who contracted Covid-19 had antibodies for no less than six months, which means the possibility of reinfection inside that time-frame is extraordinarily unlikely.

The paper, launched on Thursday, is but to be peer-reviewed however was revealed on the MedRxiv web site.

A part of collaboration between the College of Oxford and Oxford College Hospitals (OUH) NHS Basis Belief, it’s the first giant scale research to analyze Covid-19 reinfection.

It monitored greater than 12,000 healthcare staff employed at OUH and located that the possibility of an infection was massively lowered in workers who had beforehand contracted Covid-19.

Of the 11,052 workers with out Covid-19 antibodies, 89 developed an an infection with signs in the course of the 30-week interval. In the meantime, not one of the 1,246 workers with antibodies developed a symptomatic an infection.




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The research additionally discovered that workers with antibodies have been much less prone to have an asymptomatic an infection.

Solely three workers members with antibodies examined optimistic for Covid-19 with out signs. In the identical interval, 76 workers with out antibodies examined optimistic however didn’t have any signs.

Lead investigators and authors of the research Katie Jeffery and David Eyre stated the outcomes have been trigger for cautious optimism, and the researchers will proceed to watch workers to see how lengthy safety lasts.

Eyre, a professor at Oxford’s Nuffield Division of Inhabitants Well being, stated the research has “proven that being contaminated with Covid-19 does supply safety towards reinfection for most individuals for no less than six months.”

Jeffery, the director of An infection Prevention and Management for Oxford College Hospitals, described the outcomes as an “thrilling discover” which signifies “no less than short-term safety from reinfection.” 

The prospect of the human physique retaining some skill to keep off future Covid reinfections has been raised earlier than.

Earlier in November, a small research carried out by Birmingham College discovered that whereas antibody ranges dropped in sufferers in the course of the months following their an infection, the T-cell response – an necessary a part of the immune system – remained strong.

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