Spotted fever group

Mostly hard tick

Scrub typhus

  • Scrub typhus (ST): Orientia tsutsugamushi (different strains/serotypes), Leptotrombidum mite

Spotted fever group

Geography

Rickettsia endemic to Japan

  • JSF (April-October)

  • ST (Nov-Dec)

Reference: Distinguishing Japanese Spotted Fever and Scrub Typhus, Central Japan, 2004-2015