Walensky said positive test numbers are not as reliable a metric as they were before the growth in use of rapid home tests. "Although this, too, represents an increase of about 25% in the past week." There was an increase of about 9% this week compared to the prior week.Ĭases remain "comparatively low" to even where we were a month ago, at 44,000 per day," Walensky said. "But we should note that for the second week in a row, they are slowly trending upwards," Walensky said. Hospital admissions also remain low at about 1500 per day. Deaths, fortunately, are continuing to trend downward with a 7-day average of about 300 per day, which represents an estimated 18% decline from the prior week," she said. "Overall, we can continue to have some mixed trends. The current state of the pandemic is “mixed,” Walensky said. The study, was published in the CDC's Morbidity and Mortality Weekly Report Where Are We Now? "Having infection-induced antibodies does not necessarily mean you are protected against future infections." The CDC still encourages all Americans to stay up to date with their COVID-19 vaccinations, said Clarke, co-lead for the CDC COVID-19 Epidemiology & Surveillance Taskforce Seroprevalence Team. "We do know that reinfections happen," she said, "so that's important in terms of thinking forward." "I can't underscore enough that those with detectable antibodies from previous infection, we encourage them to still get vaccinated," Walensky said. The fact that nearly 60% of Americans have antibodies from prior infection is not a reason to think people with a history of COVID-19 should skip vaccination, CDC director Rochelle P. The study showed that the antibodies were more common in age groups with the lowest vaccination numbers.Ĭombined with up-to-date CDC data on deaths, hospitalizations, and cases, the study provides a clearer picture of where we are now in the pandemic and where we might be headed. The existence of these antibodies varied by age, from as high as 75% in children and teenagers 17 and younger, to 33% in those 65 and older, for example. Researchers looked at the presence of coronavirus antibodies to estimate the rate of infection. Clarke, MD, said during a CDC media briefing Tuesday. but I didn’t expect it to increase quite this much,” lead study researcher Kristin E.N. "I definitely expected that we were going to see an increase continue. ApNearly six of every 10 Americans has already had COVID-19, a rate of infection that increased dramatically from December to February, the CDC says.Ībout 34% of Americans had already been infected in the final month of 2021, the agency reports in a new study, but by February that figure had grown to 58%.
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