Most of the people who have passed Covid-19 They have an average of 83% immunity to disease for at least five months, but they can Re-infection The virus was transmitted, according to a study conducted by the agency Public Health England (PHE, for its English acronym).

Researchers recruited about 21,000 health workers from British hospitals, divided into groups according to whether or not they had been infected, and between June and November 2020 subjected them to two-week PCR tests and a monthly test to analyze their antibody level, according to the PHE, Which depends on British Department of Health And advice about population health.

According to the results, out of 6,614 health workers who had antibodies, only 44 developedPossibleinfection. The study concluded that infection provides 94% protection Against re-infection and a 75% immunity Against re-infection without symptoms.

Experts suggest that cases Renficin Disclosed in the led investigation Susan HopkinsIs considered “probable” pending genetic analysis validating the information.

As they point out Uncertain Given that the study participants were between the ages of 35 and 54, the results could be extrapolated to an older population, so their immune systems might be stronger.

The investigation will take twelve months to determine the duration immunity, Analyzing the impact of the new coronavirus variant discovered in the United Kingdom and monitoring the protection of participants who have already received the vaccine.

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