Which is caused by Rickettsia:
Option 1 - Weil's disease is caused by Leptospira. Option 2 - Rocky mountain spotted fever is caused by R. rickettsia and transmitted by tick. This tick is also known as dermacentor andersoni . Option 3 - Scrub typhus is caused by Orientia tsutsugamushi. Option 4 - Lymes disease is caused by Borrelia burgdorferi.
Systemic Bacteriology (Haemophilus, Yersinia, Spirochaetes, Ricketssia, Chlamydia, Mycoplasma and Miscellaneous Bacteria)
Weil's disease
Rocky mountain spotted fever
Scrub typhus
Lymes disease
Rocky mountain spotted fever