New virus in China has scientists worried: Where did it come from?
(World News Science)

MELBOURNE/BEIJING : The most prevalent strain of influenza spreading among pigs in China has sparked concern among scientists, who say it has certain properties that give it pandemic potential. Chief among them: The virus has infected humans. So far it isn`t known to spread from person to person, but the worry is that with further mutations, it could start to do so. Populations still battling the coronavirus SARS-CoV-2, which also emerged in China and is believed to have originated in animals, could be vulnerable again. 1. What`s the problem? Pigs are routinely catching variations of the flu and mostly it`s not a big deal, because the viruses usually don`t spread to people. But that`s not...