Latest Rickettsia rickettsii Stories
By Jeremy Higgins, McAlester News-Capital, Okla. Jul. 4--Summertime means no school and lots of time for fun in the sun for most people. The summer months also bring out insects and other pests that could be hazardous to your health.
Rickettsia rickettsii is a gram-negative bacterium native to the New World and causes the malady known as Rocky Mountain spotted fever (RMSF). It is transmitted through the bit of an infected tick when it feeds on animals and humans. Humans are not necessary hosts in the rickettsia-tick life cycle but they can be. S. Burt Wolbach created the first detailed description of the etiologic agent in 1919. He recognized it as an intracellular bacterium seen most frequently in endothelial cells....
- In medieval musical notation, a sign or neume denoting a shake or trill.