Friday, December 9, 2022

Repeat COVID-19 is riskier than first infection, study finds

The chance of demise, hospitalisation and critical well being points from COVID-19 jumps considerably with reinfection in contrast with a first bout with the virus, no matter vaccination standing, in accordance with a study revealed on Thursday (Nov 10). 

“Reinfection with COVID-19 will increase the chance of each acute outcomes and lengthy COVID,” mentioned Dr Ziyad Al-Aly of Washington College College of Drugs in St Louis. “This was evident in unvaccinated, vaccinated and boosted individuals.”

The findings had been drawn from US Division of Veterans Affairs knowledge collected from Mar 1, 2020 by means of Apr 6, 2022 on 443,588 sufferers with one SARS-CoV-2 an infection, 40,947 with two or extra infections, and 5.3 million noninfected people. A lot of the study topics had been male.

Reinfected sufferers had a extra than doubled danger of demise and a extra than tripled danger of hospitalisation in contrast with those that had been contaminated with COVID-19 simply as soon as. In addition they had elevated dangers for issues with lungs, coronary heart, blood, kidneys, diabetes, psychological well being, bones and muscular tissues, and neurological issues, in accordance with a report revealed in Nature Drugs.

“Even when one had prior an infection and was vaccinated – that means they’d double immunity from prior an infection plus vaccines – they’re nonetheless inclined to adversarial outcomes upon reinfection,” Al-Aly, the study chief, mentioned.

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