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.

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.

HMPV is a virus that will lead to a mild upper respiratory tract infection—practically indistinguishable from flu

Officials in India have confirmed the country's first seven cases of human metapneumovirus, or HMPV, which is reportedly surging in neighboring China.

Cases of human metapneumovirus, or HMPV, a contagious virus that can lead to respiratory disease, is reportedly spiking in northern China. Infectious disease experts say risk to the U.S. is low.

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,