Look out, humans: At least 320,000 viruses lurk in mammals
Tuesday, September 3, 2013 - 19:20
in Biology & Nature
From West Nile and Ebola to SARS and HIV, most of the emerging infectious diseases that plague humans today originated in other animals. According to a new estimate, there are at least 320,000 viruses in mammals alone, the vast majority of them awaiting discovery.