Another bird flu is on the rampage in China. Already this winter there have been 424 cases in humans, more than a third of all those identified since the virus emerged in 2013. And it is spreading. This week it was announced that it seems poised to acquire mutations that could make it a much worse problem.
Another bird flu is on the rampage in China. Already this winter there have been 424 cases in humans, more than a third of all those identified since the virus emerged in 2013. And it is spreading. This week it was announced that it seems poised to acquire mutations that could make it a much worse problem.
