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Recovered COVID patients likely protected for at least six months, study finds

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LONDON (Reuters) – Almost all individuals beforehand contaminated with COVID-19 have excessive ranges of antibodies for at least six months which can be likely to guard them from reinfection with the illness, outcomes of a serious UK study confirmed on Wednesday.

Scientists mentioned the study, which measured ranges of earlier COVID-19 an infection in populations throughout Britain, in addition to how lengthy antibodies persevered in these contaminated, ought to present some reassurance that swift circumstances of reinfection will probably be uncommon.

“The vast majority of people retain detectable antibodies for at least six months after infection with the coronavirus,” mentioned Naomi Allen, a professor and chief scientist at the UK Biobank, the place the study was carried out.

Among individuals who had examined optimistic for earlier COVID-19 an infection, 99% retained antibodies to SARS-CoV-2 for three months, the outcomes confirmed. After the complete six months of follow-up within the study, 88% nonetheless had them.

“Although we cannot be certain how this relates to immunity, the results suggest that people may be protected against subsequent infection for at least six months following natural infection,” Allen mentioned.

She mentioned the findings have been additionally in step with outcomes of different research within the United Kingdom and Iceland which discovered that antibodies to the coronavirus tended to persist for a number of months in those that have had the illness and recovered.

A study of UK healthcare staff revealed final month discovered that individuals who have had COVID-19 have been likely to be protected for at least 5 months, however famous that these with antibodies should still be capable of carry and unfold the virus.

The UK Biobank study additionally discovered that the proportion of the UK inhabitants with COVID-19 antibodies – a measure often called seroprevalence – rose from 6.6% at the start of the study interval in May/June 2020 to 8.8% by November/December 2020.

SARS-CoV-2 seroprevalence was most typical in London, at 12.4%, and least frequent in Scotland at 5.5%, it discovered.

Reporting by Kate Kelland; Editing by Alison Williams

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