Everything You Need to Know About China’s Child Pneumonia Outbreak

China’s health-care system is once again in the spotlight as a wave of pneumonia cases sweeps through the country, hitting kids particularly hard. The sudden increase in sick children, and a report suggesting widespread clusters of undiagnosed respiratory illnesses, prompted the World Health Organization to ask for more details in order to allay concerns that a novel pathogen — something like Covid-19 — was the source of the outbreaks. So far, Chinese officials say, it’s simply a laundry list of known germs that’s causing the problem.