Ralph Lillie demonstrated that the cause of psittacosis was a rickettsia-like organism instead of a virus
In 1930, Ralph Lillie demonstrated that the cause of psittacosis was a rickettsia-like organism (later placed in the genus Chlamydia) instead of a virus.
The research of his colleague Charles Armstrong on the disease resulted in governmental regulation of the importation of psittacine birds.
Tags:
Source: University of Chicago Library
Credit: Photo: Microscopic image of Gimenez stain of tick hemolymph cells infected with Rickettsia rickettsii, the causative agent of Rocky Mountain spotted fever. Courtesy: U.S. Centers for Disease Control and Prevention.
