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 human metapneumovirus is reportedly surging in China, but should Americans be concerned? Here's what to know about HMPV symptoms and more.

In China, reports of HMPV infections have indeed been rising in recent weeks in the more northerly regions. But so have reports of all the other respiratory pathogens including seasonal flu, rhinovirus and RSV.

The increase in cases of this pathogen in China resurrects old fears. Experts include it in the package of known winter viruses. China has done it again. The announcement of an increase in cases of human metapneumovirus (HMPV) has raised alarms,

News that northern China is seeing a surge of the respiratory illness called human metapneumovirus (HMPV), bringing an uptick in hospitalizations, is sparking a bit of anxious déjà vu on social media.

Most HMPV infections are mild, resembling bouts of the common cold. But severe cases can result in bronchitis or pneumonia, particularly among infants, older adults and immunocompromised people. Patients with pre-existing lung conditions, such as asthma, chronic obstructive pulmonary disease or emphysema, are at higher risk of severe outcomes.

The manageable risk level of HMPV, when coupled with continued vigilance and research, should provide a sense of control and confidence in addressing the virus.

Two suspected cases of Human Metapneumovirus (HMPV) have been reported in Nagpur, Maharashtra, raising concerns about the virus's spread i

HMPV is attracting a lot of interest because it is not a household name, but it was discovered in 2001, WHO spokeswoman Margaret Harris said in Geneva.