[Cyprus Times] Are you sick with coronavirus? When you are 5 times more likely to get it again

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It is good not to be complacent about the unvaccinated who have had coronavirus, because the evidence reveals that to shield the body from the possibility of re-infection it is necessary to make this decisive move

After recovery from the Covid-19 infection, vaccination with at least one dose of coronavirus vaccine is recommended, to provide adequate protection against a possible re-infection, say Israeli scientists in a study published in the New England Journal of Medicine.

Remaining unvaccinated after SARS-CoV-2 infection puts you at five times the risk of re-infection compared to someone who has been vaccinated against Covid-19. This is because the immunity that the body acquires after infection is short-lived, according to the researchers.

The immunity may last for three months perhaps longer but in no way provides permanent armouring of the body against the coronavirus.

In fact, experts believe that the same will happen with the new coronavirus as with the rhinoviruses that cause the common cold and the other coronaviruses that also cause respiratory infections, which have a seasonal nature and by which we are repeatedly infected.

This is why vaccination is recommended after infection in an attempt to prolong the body's acquired immunity.

For the study, a team led by Ronen Arbel of Clalit Health Services (the largest of Israel's four health care organizations) collected data on more than 149,000 patients. All had recovered from COVID-19 and had not been previously vaccinated. However, more than 83,000 were vaccinated after recovery. Of these, 354 were revaccinated with Covid-19 , compared to 2,168 who remained unvaccinated

Based on the data, there were approximately two revaccinations per 100,000 among vaccinated patients compared to 10 per 100,000 among the unvaccinated.

The data were based on the Pfizer-BioNTech vaccine - 82% effective in 16-64 year olds and 60% effective in the elderly.

Vaccine effectiveness was the same whether patients received one or two doses, the researchers noted.

This finding is consistent with data from previous studies that found that one dose of vaccine is enough to protect against reinfection.

Source: ygeiamou.gr

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