TUESDAY, April 26, 2022 (HealthDay News) — Thanks to the Omicron surge this previous winter, 3 in each 5 Americans have now been contaminated with COVID-19, a brand new authorities report exhibits.
Once Omicron surfaced because the predominant variant on this nation, the best an infection charges have been seen amongst kids and teenagers, and the upward shift was steep: Only 1 in 3 Americans had been contaminated with COVID-19 by the point the variant took maintain final December, the U.S. Centers for Disease Control and Prevention information discovered.
Since conventional illness surveillance strategies don’t seize all COVID circumstances as a result of some individuals are asymptomatic, not recognized or not reported, the scientists analyzed assessments that measured antibodies, produced in response to COVID an infection however not in response to COVID vaccines presently licensed within the United States, the researchers famous.
Despite the truth that much more Americans have now been contaminated with COVID, CDC officers burdened that vaccines stay crucial.
“Having infection-induced antibodies does not necessarily mean you are protected against future infections,” Dr. Kristie Clarke, co-lead for the CDC’s COVID-19 Epidemiology & Surveillance Taskforce Seroprevalence Team, mentioned throughout a media briefing Tuesday on the most recent statistics.
“Previous infection has been shown to provide some protection against severe disease and hospitalization and vaccination either before or after infection provides additional protection. Additionally, we still do not know how long infection-induced immunity will last,” Clarke mentioned.
“What we do know is that vaccination is a safe and effective way to get robust immune protection for specific amount of time,” she burdened. The “CDC continues to encourage all Americans to stay up to date with their COVID-19 vaccinations. And while those who are under the age of 5 are not yet eligible for vaccinations, the best way to protect them is to make sure that they are surrounded by people who are taking preventive measures like staying up to date with vaccines.”
In the research, revealed April 26 within the CDC publication Morbidity and Mortality Weekly Report, general prevalence of COVID an infection elevated by solely 0.9 to 1.9 share factors per four-week testing interval between September 2021 and December 2021.
But between December 2021 and February 2022, when the Omicron surge peaked, general U.S. an infection charges jumped from 33.5% to 57.7%. Over the identical interval, an infection charges elevated from 44.2% to 75.2% amongst kids aged 0–11, and from 45.6% to 74.2% amongst these aged 12–17.
Meanwhile, an infection charges elevated from 36.5% to 63.7% amongst adults aged 18–49; from 28.8% to 49.8% amongst these aged 50–64, and from 19.1% to 33.2% amongst these 65 and older.
Even as these statistics present simply how contagious the unique Omicron variant was, a more recent Omicron subvariant generally known as BA.2 is much more infectious, fueling a current enhance in each U.S. circumstances and hospitalizations, CDC information present.
“Overall, we continue to have some mixed trends,” CDC Director Dr. Rochelle Walensky mentioned in the course of the media briefing. “Deaths, fortuitously, are persevering with to development downward with a seven-day common of about 300 per day, which represents an estimated 18% decline from the prior week. Hospital admissions additionally stay low at about 1,600 per day. But for the second week in a row, they’re slowly trending upwards, [with] a rise of about 9% this week from the prior week.
“Cases also remained comparatively low to where we were even a month ago at about 44,000 per day, though this, too, has represented an increase of about 25% in the past week,” Walensky famous, including that the CDC additionally is aware of that at-home speedy COVID check outcomes usually are not captured in CDC information assortment.
“Importantly, we continue to believe that those who are vaccinated and especially those who are boosted, continue to have strong protection against severe disease,” Walensky added.
Visit the U.S. Centers for Disease Control and Prevention for extra on COVID-19.
SOURCES: April 26, 2022, media briefing with: Rochelle Walensky, MD, director, U.S. Centers for Disease Control and Prevention, Kristie Clarke, MD, co-lead, COVID-19 Epidemiology & Surveillance Taskforce Seroprevalence Team; Morbidity and Mortality Weekly Report, April 26, 2022
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