Cases of human metapneumovirus, or HMPV, a contagious virus that can lead to respiratory disease, is reportedly spiking in northern China. Infectious disease experts say risk to the U.S. is low.

Human metapneumovirus (HMPV) spreads rapidly in China, causing respiratory illnesses, with rising cases also reported in India.

Five years on from the first news of COVID, recent reports of an obscure respiratory virus in China may understandably raise concerns.