A masked worker checks pigs in a hog pen in Suining, Sichuan province, China. Photograph: EPA

A new flu virus found in Chinese pigs has become more infectious to humans and needs to be watched closely in case it becomes a potential “pandemic vi(...)

Stock prices  in Australia react to the US presidential election first results as vote counting continues. Photograph: Paul Miller/EPA

The US dollar, Mexican peso and world stocks fell on Wednesday as Donald Trump swept to victory in the US presidential election, but fears of a Brexit(...)