31 January 2012, 8:11 pm
The slinky rods of Legionalla pneumophila. If you didn't know better, you might assume these were extruded by a Play-Doh Fun Factory. CDC Public Health Image Library Image #11151. CDC/ Margaret Williams, PhD; Claressa Lucas, PhD;Tatiana Travis, BS In July 1976, a convention of members of the American Legion — a veterans’ group — was meeting in Philadelphia at the Belleville Stratford Hotel in ...... Read More »