WHO Asks China for More Information About Illnesses, Pneumonia Clusters 

FILE - Residents line up behind tape barricades for COVID testing, May 15, 2022, in Beijing. Chinese officials say they have not detected any unusual new diseases in the country, the World Health Organization said Nov. 23, 2023.

Chinese officials say they did not detect any "unusual or novel diseases" in the country, the World Health Organization said Thursday, following an official request by the U.N. health agency for information about a potentially worrying spike in respiratory illnesses and clusters of pneumonia in children.