COVID-19 infection gives 'natural immunity' to patients for five months: Study

People who have h COVID-19 are highly likely to have immunity against it for at least five months, a recent study conducted on British health workers concluded. However, it warned that all those infected may still be able to carry and spre infection. study conducted by scientists from Public Health England (PHE) comes as number of infections across British territory rose to 3,220,953 with over 84,910 deaths.

"PHE’s ‘SIREN’ (SARS-CoV-2 Immunity & REinfection EvaluatioN) study has studied volunteer health workers from across NHS in order to establish extent and duration of protection conveyed by naturally-acquired immunity as a result of COVID-19 infection," researchers described study in a statement. 

study

For purpose of SIREN study, team of scientists regularly tested thousands of healthcare workers across England for re-infection as well as presence of antibodies. Between June 18 and vember 24 2020, y found that only 44 people out of 6614 participants tested positive.  “This represents an 83% rate of protection from reinfection”, team concluded.

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In aftermath, however, researchers have cautioned that all those infected in first wave are susceptible to infections w, as five-month period h alrey passed. In dendum, y also said that people with so-called “natural immunity" might still be able to carry lethal virus and unwittingly spre it furr.

"This means even if you believe you alrey h disease and are protected, you can be reassured it is highly unlikely you will develop severe infections. But re is still a risk you could acquire an infection and transmit (it) to ors."

researchers w plan on continuing to test healthcare workers to see if ir “natural” immunity, acquired by getting infection, continue beyond period of five months. Meanwhile, World Health Organization (WHO) has said that vel coronavirus mutation first discovered in UK has w spre to at least 50 countries. " more SARS-CoV-2 virus spres, more opportunities it has to change. High levels of transmission mean that we should expect more variants to emerge," said WHO.

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Im: AP