Clusters of undiagnosed pediatric pneumonia cases have also been reported in the north of the country, the organization says, but it’s not clear whether these are related to the respiratory infections. China maintained a policy known as zero-Covid-19 marked by strict lockdowns and quarantines, mass testing and rigorous contact tracing – until abandoning the strategy in December.The World Health Organization says it has requested more information from Chinese officials on an increase in respiratory illnesses and pneumonia clusters among children there. Is this a new “pandemic” ?
