Repeat COVID An infection Is Riskier than First

A brand new research has discovered that the danger of loss of life, hospitalization and severe well being points from COVID-19 will increase with reinfection no matter vaccination.

The research examined U.S. Division of Veterans Affairs knowledge collected from March 1, 2020 by April 6, 2022. It included info on 443,588 sufferers with one SARS-CoV-2 an infection, 40,947 with two or extra infections, and 5.3 million who weren’t contaminated. Many of the research topics have been male.

“Reinfection with COVID-19 will increase the danger of each acute outcomes and lengthy COVID,” mentioned Dr. Ziyad Al-Aly of Washington College Faculty of Medication in St. Louis. He added that this was clear “in unvaccinated, vaccinated and boosted individuals.”

Reinfected sufferers had a doubled danger of loss of life and a tripled danger of hospitalization in contrast with people contaminated solely as soon as. The sufferers additionally had elevated dangers for quite a lot of different well being issues, the research, reported in Nature Medication, discovered. The issues affected the lungs, coronary heart, blood, kidneys, bones and muscular tissues. Reinfection additionally elevated the danger of psychological well being, mind and nerve issues.

“Even when one had prior an infection and was vaccinated – which means they’d double immunity from prior an infection plus vaccines – they’re nonetheless prone to opposed outcomes upon reinfection,” mentioned Al-Aly. He was the lead author of the research.

Vulnerable means simply affected or harmed by one thing.

FILE - People wait in line to buy entertainment tickets for shows at Times Square after the Centers for Disease Control and Prevention dropped some of its restrictive COVID-19 preventative measures, including social distancing, in New York, U.S., August 12, 2022. (REUTERS/Eduardo Munoz)

FILE – Individuals wait in line to purchase leisure tickets for reveals at Occasions Sq. after the Facilities for Illness Management and Prevention dropped a few of its restrictive COVID-19 preventative measures, together with social distancing, in New York, U.S., August 12, 2022. (REUTERS/Eduardo Munoz)

Individuals with repeat infections have been 3 times extra prone to develop lung issues, 3 times extra prone to endure coronary heart circumstances and 60 p.c extra prone to have mind or nerve issues, the research discovered. The dangers have been highest within the first month after reinfection however have been nonetheless clear six months later.

The entire dangers of repeat an infection elevated with the variety of infections, even after inspecting variations in COVID-19 variants resembling Delta, Omicron and BA.5, the researchers mentioned.

“We had began seeing a number of sufferers coming to the clinic with an air of invincibility,” Al-Aly informed Reuters. “They questioned, ‘Does getting a reinfection actually matter?’ The reply is sure, it completely does.”

He added that forward of a season that always entails journey and indoor gatherings, individuals needs to be conscious that reinfection is severe and may take steps to keep away from getting contaminated.

Al-Aly defined that researchers will not be suggesting severe measures, “however perhaps in case you’re occurring a aircraft, put on a masks.” Or, if an individual is in a meals retailer, “take into account that the individual close to you might have a weak immune system, and in case you put on a masks you would possibly assist to guard them,” he mentioned.

I’m John Russell.

Nancy Lapid reported on this story for Reuters. John Russell tailored it for VOA Studying English.

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Phrases in This Story

acute – adj. very severe or harmful : requiring severe consideration or motion

prior – adj. present or taking place earlier than the current time

opposed – adj. dangerous or unfavorable : not good

invincibility – n. not possible to defeat or overcome

immune – adj. referring to the way in which your physique fights illness

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