Jan
26
a team of scientists at Michigan State University describes how viruses evolved a new way of infecting cells in little more than two weeks.
The report is being published in the midst of a controversy over a deadly bird flu virus that researchers manipulated to spread from mammal to mammal. Some critics have questioned whether such a change could have happened on its own. The new research suggests that new traits based on multiple mutations can indeed occur with frightening speed.
In Real Time, a Virus Learns a New Way to Infect - NYTimes.com