PHE found immunity from earlier infection provided 83% protection against reinfection for at least 20 weeks
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People who recover from coronavirus have a similar level of protection against future infection as those who receive a Covid vaccine – at least for the first five months, research suggests.
A Public Health England (PHE) study of more than 20,000 healthcare workers found that immunity acquired from an earlier Covid infection provided 83% protection against reinfection for at least 20 weeks.