Nearly 60% of Americans have contracted COVID-19, the CDC reports 2022-04-27 10:45:01


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Approximately 60% of the US population has been infected Corona Virusthe Centers for Disease Control and Prevention (CDC) announced in a report released Tuesday.

The CDC also found that 75% of children and adolescents in the United States have shown serological evidence of previous infection with COVID-19 and that nearly a third have tested positive since December 2021.

“The results demonstrate a higher incidence of the omicron variant, especially among children,” the study authors wrote in the report.

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According to the report, researchers tested blood samples from tens of thousands of Americans every four weeks, from September 2021 to February 2022. The scientists analyzed the samples for detectable levels of anti-nucleocapsid (anti-N) antibodies, which are produced in response to COVID-19 infection, Not vaccines. They did not distinguish what levels of antibodies could be considered protective and noted that scientists are still trying to understand the role these antibodies play in protecting against future exposure to the coronavirus.

During the study period, they found that 34% of people showed evidence of a previous infection in December and by February that rate had risen to 58%.

Vial of Regeneron monoclonal antibody.

Vial of Regeneron monoclonal antibody.
(Reuters/Shannon Stapleton, File)

During the period from December to February, researchers found an alarmingly sharp increase in the number of infected Antibodies in children and adolescents. Percentages jumped from about 45% in December to nearly 75% in February for those 17 and under. That was when the omicron variant was prevalent in the United States, according to the report.

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Dr. Kristi Clark, co-chair of the CDC team that tracks the extent of corona virus infections, Several media reports quoted, “I was expecting it to increase. I didn’t expect it to increase this much.”

“We don’t expect more severe disease from some of these variants, but we are actively studying them,” CDC Director Dr. Rochelle Walinsky said on Tuesday.

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Their findings also revealed that during the December-February period, antibody prevalence increased from 36.5% to more than 63% in adults aged 18 to 49, and from nearly 29% to nearly 50% in Those between the ages of 50 and 64. during the same period. Those over 65, the report said, increased their number from about 19% to just over 33%. This lower antibody prevalence in the older age group may be related to the increased use of precautions (masks, social distancing) to feedThe report noted.

Media signs are displayed at a store in Buffalo Grove, Illinois, in February 2022.

Media signs are displayed at a store in Buffalo Grove, Illinois, in February 2022.
(AP Photo/Nam Y. Huh, file)

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Although some studies have shown that prior infection may protect some individuals from severe illness and hospitalization from COVID-19, Centers for Disease Control and Prevention officials stressed the importance of getting vaccines and boosters to provide additional protection against the coronavirus, and noted that it remains to be seen. Vaccination of people infected with the virus. COVID-19.

In the CDC report, the officials wrote: “N-antibody seropositivity should not be interpreted as protection against future infection. Vaccination remains the safest strategy for preventing complications of SARS-CoV-2 infection, including hospitalization. between children and adults.


Dr. Aaron E. Glatt, a spokesperson for the Infectious Diseases Society of America, told Fox News, “The omicron variants, especially BA.2, are highly contagious and have therefore infected many people, including those who have had a previous vaccination and/or natural immunity. Hence, far more people are now infected, although fortunately, due to previous vaccination and immunity, we are not seeing significant increases in hospitalization.”

“In addition, there are now treatments available to treat early COVID in patients who are most at risk, reducing severe disease,” added Glatt, an epidemiologist and chief of infectious diseases at Mount Sinai South Nassau in New York.