Investigators from the Centers for Disease Control recently have isolated a bacterium believed to be the etiologic agent of human ehrlichiosis and proposed the name Ehrlichia chaffeensis.
(Investigators from the Centers for Disease Control; have isolated; a bacterium believed to be the etiologic agent of human ehrlichiosis; T:recently) (Investigators from the Centers for Disease Control; proposed; the name Ehrlichia chaffeensis; T:recently)
Investigators from the Centers for Disease Control Investigators from the Centers for Disease Control
have isolated proposed
a bacterium believed to be the etiologic agent of human ehrlichiosis T:recently
the name Ehrlichia chaffeensis T:recently