China's CDC addresses the Human Metapneumovirus (HMPV) outbreak, stating it typically causes common cold symptoms but can lead to severe respiratory conditions in vulnerable groups. No vaccine or effective treatment exists.

According to the U.S. Centers for Disease Control and Prevention, COVID, flu, RSV and norovirus are all surging in the U.S. It's predicting respiratory virus hospitalizations could be as high as last year,

Officials have warned multiple flu-like illnesses are on the rise, with suggestions that 7.2% of outpatient visits to local hospitals in northern provinces were due to a flu-like illness.