Generalised painless lymphadenopathy is seen in:

Generalised painless lymphadenopathy is seen in?
A. Rocky mountain spotted fever
B. Scrub typhus
C. Epidemic typhus
D. Q fever

Correct answer : B. Scrub typhus

Adult trombiculid mite

Scrub typhus is caused by Rickettsia tsutsugamushi.
In severe scrub typhus, the patient develops apathy and prostration.
Erythematous maculopapular rash appears between 5th and 7th day involving trunk, face and limbs.
The patient also develops generalised painless lymphadenopathy.

Ref: Davidson’s Principles and Practice of Medicine, 22nd edition, p350,351
Image credits: Alan R Walker. Licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. File:Trombidiidae-mite-adult.jpg - Wikipedia