As China experiences a rise in respiratory infections this winter, one little-known virus has gotten a lot of attention – and some people may worry whether the rise in cases could be felt more broadly around the world.

As China continues to monitor an increase in cases of human metapneumovirus (HMPV), here's what you need to know about the illness.

A handful of cases of the Human Metapneumovirus have been confirmed in India but officials say there's no cause for alarm, according to multiple reports.

China’s winter illness season is less severe compared to the year before, according to data from its health authority. But the proliferation of a long-standing though little-known pathogen called human metapneumovirus (hMPV) has been raising alarm both at home and in other countries.

India confirmed its first cases of human metapneumovirus (HMPV) infections in children, with a total of seven cases reported as of Tuesday. The cases were reported in Bengaluru, Nagpur, Tamil Nadu and Ahmedabad,

The Centers for Disease Control and Prevention says there is a reported spike in human metapneumovirus (HMPV) in China, and they are monitoring it closely.