We report a case of scrub typhus pneumonitis in a Laboratory worker who app
arently acquired it through the respiratory tract. The patient was sufferin
g from fever, cough and dyspnea. He had both cervical and axillary Lymphade
nopathy, and hepatomegaly, A chest X-ray showed interstitial infiltrates. A
diagnosis of scrub typhus was established upon isolation of Orientia tsuts
ugamushi, 12 days before the patient showed symptoms, he had purified O. ts
utsugamushi proteins from infected cells using an ultrasonication method wh
ich could generate aerosols containing O, tsutsugamushi.