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.

While news reports and social media videos have caused concern about a potential HMPV outbreak in China, experts from the WHO, U.S. Centers for Disease Control and Prevention and other agencies say the rise is not currently a cause for concern and within the normal range for the season.

Authorities in Beijing have downplayed surge in cases, which comes five years after world was first alerted to emergence of Covid-19