The World Health Organization said that China had shared data about a recent surge in respiratory illnesses in children, one day after the agency said it was seeking information about the possibility of undiagnosed pneumonia cases there. The Chinese data indicated “no detection of any unusual or novel pathogens,” according to a W.H.O. statement on Thursday. The data, which included laboratory results from infected children, indicated that the rise in cases was a result of known viruses and bacteria, such as influenza and mycoplasma pneumoniae, a bacterium that causes usually…
Illness Surge in China Is Not From a Novel Pathogen, Data Suggests
