[unable to retrieve full-text content](University of Wisconsin-Madison) In the beginning, all flu viruses came from birds. Over time, the virus evolved to adapt to other animals, including humans, as natural selection favored viruses with mutations that allowed them to more readily infect the cells of new host species.Source: http://www.eurekalert.org/pub_releases/2013-10/uow-hbf102113.php
Related Topics: Austin Mahone Manny Machado Mayweather vs Canelo results Tom Harmon What Does the Fox Say
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.