![]() Mobeen Rathore, professor at the University of Florida College of Medicine and a member of the American Academy of Pediatrics committee on infectious diseases.īocchini said the normal course of illness is “one to two weeks of acute symptoms,” but those who are hospitalized may have the disease for much longer. Though some people don't experience any symptoms with BA.5, experts said those who do can expect to feel sick for a few days up to a few weeks. “Certainly this is an infection to pay attention to for parents of children because while most children don’t require hospitalization, a few do,” Bocchini said. The Mayo Clinic defines croup as an infection of the upper airways that obstructs breathing and causes a “barking” cough. Claire Bocchini, an infectious disease specialist at Texas Children’s Hospital. BA.5 variant symptoms in adults, kidsĬlinicians said many BA.5 symptoms are similar to those seen in previous variants, including congestion, headaches, cough and fever.Ĭhildren tend to have more gastrointestinal symptoms, such as nausea, abdominal pain, vomiting and diarrhea, compared with adults, said Dr. “It’s a way of knowing which variant they’re dealing with.”īA.5 is classified as an omicron variant but has mutations that distinguish it from other omicron subvariants, such as BA.1 and BA.2. David Weber, professor of medicine pediatrics and epidemiology at University of North Carolina, Chapel Hill. “These represent the numbers and types of mutations within that particular variant,” said Dr. Within variants, the agency assigns numbers to sublineages. The WHO named the original B.1.1.529 variant after the 15th letter, omicron. The World Health Organization uses the Greek alphabet as a classification system to simplify understanding and avoid stigmatizing countries where strains of the SARS-CoV-2 virus that causes COVID-19 are identified. “It’s taken about two months to get to the current state where we think BA.5 probably accounts for about two-thirds of all COVID cases.” What does BA.5 stand for? “It’s been sort of a slow rise since that time,” he said. The first cases appeared in the Northeast, then spread during the past month to Southern, Midwestern and Western states, Dowdy said. Researchers don’t know where it came from because of limited surveillance. The subvariant was first seen in South Africa “but that doesn’t mean that it arrived (to the U.S.) from South Africa,” said David Dowdy, an epidemiologist at Johns Hopkins Bloomberg School of Public Health. When did BA.5 start?īA.5 was detected in the USA at the end of April, experts said. Hospitals in 35 states reported more COVID-19 patients, and hospitals in 25 states had more patients in intensive care beds, according to Health and Human Services data. Twenty states had more deaths than a week earlier. In the most recent week, ending Wednesday, 29 states reported more cases than the week before, a USA TODAY analysis of Johns Hopkins University data shows. ![]() The BA.5 subvariant of omicron dominates the summer wave of COVID-19 in the USA, making up nearly 80% of new cases, according to the Centers for Disease Control and Prevention Nowcast model. Watch Video: Here’s why COVID-19 cases are on the rise again
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