Up to date: July 28, 2020 3:08:42 pm
Scientists don’t know for positive but, however they imagine it’s unlikely. Well being consultants suppose individuals who had COVID-19 may have some immunity in opposition to repeat an infection. However they don’t understand how a lot safety or how lengthy it might final.
There have been studies of individuals testing optimistic for the virus weeks after they had been believed to have recovered, main some to suppose they could have been reinfected. Extra doubtless, consultants say folks had been affected by the identical sickness or the assessments detected remnants of the unique an infection. There’s additionally the possibility assessments may have been false positives.
Scientists say there was no documented occasion of a affected person spreading the virus to others after retesting optimistic.
With related viruses, research have proven that folks may fall sick once more three months to a yr after their first infections. It’s nonetheless too early to know whether or not that’s additionally attainable with the coronavirus.
“It’s very a lot rising science,” stated Dr Philip Landrigan, director of the worldwide public well being program at Boston Faculty.
A small US research printed final week additionally discovered the antibodies that struggle the coronavirus might solely final a couple of months in folks with gentle sickness, suggesting folks may grow to be inclined once more.
However antibodies aren’t the one defence in opposition to a virus, and the opposite components of the immune system may additionally assist present safety.
Settling the query of whether or not reinfection is feasible is essential. If it could happen, that might undermine the concept of immunity passports for returning again to workplaces. And it might not bode effectively for hopes of getting a long-lasting vaccine.
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