Dormancy period: Up to 12 days.

Scrub typhus is a mite-borne disease caused by a bacteria known as Orientia tsutsugamushi and transmitted by chiggers – larvae that grow into mites, in rural and forested areas of the Asia-Pacific region. Chiggers often pick up the bacteria when they feed on the skin cells of infected rats or mice. It can cause fever, breathing difficulty, heart palpitations, or sudden cardiac death. The bacteria’s incubation period inside the body is about 6-10 days. Symptoms may start suddenly at around 10-12 days after the bite.

Signs and symptoms include fever, headache, muscle pain, cough, and gastrointestinal symptoms. More virulent strains of O. tsutsugamushi can cause hemorrhaging and intravascular coagulation. Morbilliform rash, eschar, splenomegaly, and lymphadenopathies are typical signs. Leukopenia and abnormal liver function tests are commonly seen in the early phase of the illness. Pneumonitis, encephalitis, and myocarditis occur in the late phase of illness. It has particularly been shown to be the most common cause of acute encephalitis syndrome. Untreated cases are often fatal.

https://en.wikipedia.org/wiki/Scrub_typhus

https://en.wikipedia.org/wiki/Typhus

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