China is experiencing a surge in infections of a respiratory virus, leading to public concerns about an outbreak. The virus, identified as human metapneumovirus (HMPV), has seen cases spiking across northern Chinese provinces this winter, particularly among children.

Symptoms of HMPV are similar to that of the common cold and can include a cough, fever, runny nose, sore throat, wheezing, shortness of breath and a rash. It can also cause upper and lower respiratory infections.