Human-to-human transmission has not happened in the UK or Europe since bird flu first emerged in 1997 - but experts warn each infection increases the risk of the virus adapting to human hosts and ...
Fog is a common, natural occurrence that has a variety of possible sources. Most often in Florida, it happens when either warm energy from the ground radiates into space on a clear night, cooling the ...
A new variant of avian influenza affecting dairy cattle in Nevada has a genetic mutation that could make it easier for the virus to replicate in mammals, ...