People who get reinfected with COVID-19 are 90% less likely to be hospitalized and die from the virus than during their first infection 

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  • A new study matched 1,300 people re-infected with COVID-19, with five experiencing an initial infection
  • Only four people, 0.3%, fell seriously ill with a re-infection, compared to 2.5% of those with a primary infection.
  • No individuals in the reinfection group became seriously ill or died of COVID-19, compared to 0.4% and 0.1%, respectively, in the initial infection group.
  • Researchers say this shows that reinfection reduces the chance of being hospitalized or dying from covid by 90%

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A new study suggests that people who are reinfected with COVID-19 are less likely to be hospitalized or die.

The researchers looked at waves of infection that hit Qatar in the spring of 2020 and then two back-to-back waves in winter 2021 and spring 2021.

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They found that patients who contracted COVID a second time were 90 percent less likely to become seriously ill or die, compared with those with primary infections.

A joint team from Qatar’s Ministry of Public Health and Weil Cornell Medicine – Qatar says the findings provide evidence that reinfection is rare and serious illness is even rarer.

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A new study found that four people, 0.3%, fell seriously ill with a reinfection, compared to 2.5% of those with a primary infection. No individuals in the reinfection group became seriously ill or died from COVID-19, compared to 0.4% and 0.1%, respectively, in the initial infection group (above).

for study. published in The New England Journal of Medicine On Wednesday, the team saw over 353,000 people infected with COVID-19 between February 28, 2020 and April 28, 2021.

The study period was divided into three waves: the first wave from February 2020 to June 2020; second wave due in alpha version from January to March 2020; And the third wave happened from March 2021 to May 2021 due to beta version.

Researchers identified 1,300 people who were reinfected with COVID-19 and matched them to five primary infections according to factors including gender, age and nationality.

The median time between a patient’s first illness and their reinfection was nine months.

They found that only four people, 0.3 percent, became seriously ill with a reinfection, compared to 2.5 percent of those with a primary infection.

Additionally, 0.4 percent fell seriously ill and 0.1 percent died in the primary infection group.

By comparison, none in the reinfection group became seriously ill or died.

Overall, 3.1 percent of people had severe, severe or fatal illness from COVID-19, compared to 0.3 percent in the reinfection group.

This translates to a 90 percent lower odds of being hospitalized, ending up in the intensive care unit, or dying from reinfection compared to the initial infection.

The study has some limitations, including the fact that it was conducted in Qatar, which does not experience colder climates than most of the world.

Researchers say this suggests that reinfection reduces the chance of being hospitalized or dying from covid by 90%.  Pictured: A medical assistant administers a COVID-19 test to a person in Los Angeles, California in July 2021

Researchers say this suggests that reinfection reduces the chance of being hospitalized or dying from covid by 90%. Pictured: A medical assistant administers a COVID-19 test to a person in Los Angeles, California in July 2021

What’s more, the researchers did not study anyone infected with the delta variant, the dominant strain now prevalent around the world.

However, there have been studies in the past, which show that even mild covid cases can suffer from severe infection.

Researchers at Washington University School of Medicine in St. Louis looked at blood samples from 77 patients who had previously had mild cases of COVID-19 and who had antibody levels dropped within the first few months of infection, but Could be found up to 11 months later. Patients tested positive first.

‘There is a need to determine whether such protection against severe disease upon re-infection lasts longer, in line with the immunity developed against other seasonal “common-cold” coronaviruses, which may cause mild re-infection. elicits short-term immunity against but long-term immunity against more severe disease with re-infection,’ the authors wrote.

‘If this were the case with SARS-CoV-2, the virus (or at least the variants studied to date) may adopt a more benign pattern of infection when endemic.’

Dr. Kami Kim, director of the Department of Infectious Diseases and International Medicine at the University of South Florida CNN That everyone should still get vaccinated.

He said that people should not assume that they cannot get infected again if they catch COVID-19.

‘It’s like asking the question do you need airbags and seat belts?’ Kim told CNN.

‘Just because you have airbags doesn’t mean seatbelts won’t help you and vice versa. It is good to have both of them protected.

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