The CDC’s actions come in response to China's government-run media confirming that positivity rates of HMPV hare rising in children under the age of 14, despite respiratory illnesses being down overall since last year.

And now, the human metapneumovirus, or HMPV for short, is infecting thousands of Americans around the country. The highly contagious virus, which belongs to the same group as respiratory syncytial virus (RSV),

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

A virus that's not well known to the public is spiking in China. CDC officials said HMPV is not a cause for concern here, nor is it a new virus.

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.

The 'mystery virus' has sparked fears of another devastating pandemic due to videos of patients being treated in overwhelmed Chinese hospitals circulating on social media

EU monitoring cases amid soaring infections across China - Cases of the flu-like virus have spiked across northern Chinese provinces this winter