May 28, 2022
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More than half of Americans have had COVID — study


FOLLOWING the document surge in coronavirus illness 2019 (COVID-19) circumstances throughout the Omicron-driven wave, some 58% of the US inhabitants total and extra than 75% of youthful kids have been contaminated with the coronavirus for the reason that begin of the pandemic, in accordance with a US nationwide blood survey launched on Tuesday.

The study issued by the US Facilities for Illness Management (CDC) and Prevention marks the primary time wherein extra than half of the US inhabitants has been contaminated with the SARS-CoV-2 virus a minimum of as soon as, and provides an in depth view of the affect of the Omicron surge in the US.

Earlier than Omicron arrived in Dec. of 2021, a 3rd of the US inhabitants had proof of a previous SARS-CoV-2 an infection.

Omicron drove up infections in all ages group, in accordance with the brand new knowledge, however kids and adolescents, many of whom stay unvaccinated, had the very best charges of an infection, whereas individuals 65 and older — a closely vaccinated inhabitants — had the bottom.

In the course of the December to February interval — when Omicron circumstances had been raging in the US — 75.2% of kids aged 11 and youthful had infection-related antibodies of their blood, up from 44.2% within the prior three-month interval. Amongst these 12-17, 74.2% carried antibodies, up from 45.6% from September to December.

Scientists appeared for particular antibodies produced in response to the SARS-CoV-2 virus which can be solely current after an an infection and will not be generated by COVID-19 vaccines. Hint quantities of these antibodies can stay within the blood for so long as two years.

“Having infection-induced antibodies does not necessarily mean you are protected against future infection,” stated the CDC’s Kristie Clarke, co-author of the study, throughout a media briefing. “We did not look at whether people had a level of antibodies that provides protection against reinfection or severe disease.”

US COVID-19 infections are on the upswing, CDC Director Dr. Rochelle Walensky advised reporters throughout the briefing, rising 22.7% prior to now week to 44,000 per day. Hospitalizations rose for the second week in a row, up 6.6%, largely pushed by subvariants of Omicron.

Whereas deaths fell 13.2%, week-over-week, the US is quick approaching the grim milestone of 1 million whole COVID-related deaths.

Ms. Walensky stated the BA.1 variant, which triggered the Omicron wave, now solely accounts for 3% of US transmission. More and more, she stated a subvariant first found in upstate New York known as BA.2.121 makes up almost 30% of US circumstances, and seems to be 25% extra transmissible that even the extremely contagious BA.2 subvariant of Omicron.

In sure counties with excessive COVID-19 group unfold, the CDC now recommends individuals put on a masks in public indoor settings. It cited upstate New York and the Northeast area as areas the place hospitalizations have been rising.

Ms. Walensky stated the CDC continues to advocate masking in all indoor public transportation settings, and careworn that vaccination stays the most secure technique for stopping problems from COVID-19.

More than 66% of the US inhabitants is absolutely vaccinated towards COVID-19, and almost 46% of had a booster, in accordance with federal knowledge. — Reuters

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