A new strain of flu which has the potential to become pandemic has been identified in China by scientists.
It emerged recently and is carried by pigs, but can infect humans, they say.
The researchers are concerned that it could mutate further so that it can spread easily from person to person, and trigger a global outbreak.
They say it has “all the hallmarks” of being highly adapted to infect humans – and needs close monitoring.
As it’s new, people could have little or no immunity to the virus.
A bad new strain of influenza is among the top disease threats that experts are watching for, even as the world attempts to bring to an end the current coronavirus pandemic.
The last pandemic