Pertussis treatment within the first one to two weeks is most effective for reducing symptom severity, according to the U.S. Centers for Disease Control and Prevention. In Los Angeles County, there have been 347 confirmed and probable whooping cough cases so far this year, up from 126 reported in all of 2023 and more than quadruple the 2022 total. One …
An infant gets a vaccination in Fayetteville, Ga., in this 2021 photo. It’s been five years since the last major outbreak of whooping cough in California, but the disease is on the rise. And in California, case counts “have been higher during the first several months of 2024 than in the prior several years,” the state Department of Public Health …
