A recent increase in cases of the human metapneumovirus (hMPV) in China has been misrepresented on social media as evidence of a new virus spreading in the country with some posts claiming it prompted China to declare a state of emergency.

The posts are mostly false. Chinese authorities have reported an increase in some respiratory infections, but the increases are in line with seasonal trends and no state of emergency has been declared.

Despite the lack of an official proclamation, social media speculation about a state of emergency has been stoked by reports of a viral outbreak in China, including human metapneumovirus. Due to the possibility of worldwide transmission,

Recent reports from China have highlighted a worrying increase in respiratory infections, with hospitals facing overcrowding and health systems under pressure. Viral videos from China have been circulating all over the internet,

The incident highlights the importance of data transparency and combating misinformation to ensure effective responses to health crises. Global cooperation and vigilance remain vital in managing current and future public health challenges.

Young children, older adults and those with weakened immune systems are at a higher risk of developing severe illness due to HMPV.

As cases of the HMPV virus continue to increase in the U.S. and in China, here's what you need to know about the virus.