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

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.

Human metapneumovirus cases have been on the rise in the UK following fears of a surge in northern China leading to Covid comparisons - now the World Health Organisation has released a statement