
An astonishing number of viruses are circulating around the Earth's atmosphere -- and falling from it -- according to new research from scientists in Canada, Spain and the U.S.

An astonishing number of viruses are circulating around the Earth's atmosphere -- and falling from it -- according to new research from scientists in Canada, Spain and the U.S.

Influenza vaccination coverage among high-risk groups has dropped in the European Region over the last seven years, and half the countries report a decrease in the number of vaccine doses available.


























