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Over the past year, we saw more than 33 million people getInfected by Covid In the United States, these diseases have rarely looked at exactly the same thing. Some peoplehas no symptoms at all and did not even know they were infected, while othershospitalized finish and in the ICU. Research has been conducted over the past year to find out why the virus ends up manifesting itself so different from the person to the person, and while we learned a lot, there are always many things we do not know not. A recent study, however, has at least a light on a common point on serious cavidant patients: almost all do not end up reinfecting with the virus.

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The study, which was published on April 25 in theClinical Infectious Diseases Newspaper, analyzed theReinfection rate For patients who had already had Covid. Researchers at the University of Medicine Medicine at the University of Missouri and MU Health Care analyzed more than 9,000 coovidian patients with a serious 62-US disease, infected between December 1, 2019 and November 13, 2020.

Patients analyzed at least one residence instance impatient related to Covid or visiting the emergency department and researchers sought to determine how many of these patients obtained Covid after surviving a serious virus fight. Reinfection has been defined as two positive COVID tests separated by two or more consecutive negative tests and more than 90 days after the end of the initial infection.

According to the study, only 0.7% of patients with severe COVIDs have ended up being reinfected with the virus, which means more than 99% did not end up covid.

"This is one of the greatest studies of its kind in the United States and the important message here is thatCOVID-19 After an initial case is possible and the duration of the immunity that initial infection provides is not completely clear ", principal researcherADNAN I. QRESHI, MD, Professor of Clinical Neurology at the Mu School of Medicine, said in a statement.

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On average, patients who have been tested positive for Covid again made 116 days after their initial infection. Non-white patients constituted a higher proportion of reinfected patients and patients with nicotine addiction, smoking, asthma and chronic obstructive pulmonary disease (COPD) were more likely to be reinfected as well.

The researchers also found that reinfection was associated with a less serious illness than primary infection. They concluded that there were lower rates of pneumonia, heart failure and acute renal injury during reinfection compared to primary infection. So, if you have the first time you have the first time, you are less likely to have a serious case in the improbable event you get sick. That said, reinfected patients, 3.2% did not survive the disease.

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