Posts have flooded social media warning that a new pandemic could be starting in China. Here's why scientists think those fears might be overblown.

Analysis - Five years on from the first news of Covid-19, recent reports of an obscure respiratory virus in China may understandably raise concerns.

An outbreak of human metapneumovirus in China has raised concerns of another widespread respiratory illness. HMPV has likely been around for centuries, and it has likely infected most people once in their lifetime.