Fig. 1
From: Rickettsia burneti and Brucella melitensis co-infection: a case report and literature review
Chest CT and microbiological examination results during hospitalization. A. Chest CT showed a few chronic infective lesions in the lung. B. Rickettsia Burneti IgM was positive by IFA test. The positive bacteria emitted green fluorescence(200X). C. Images of pure bacteria after 48 hours of culture. Small, smooth and non-hemolytic colonies can be seen on the blood plate. D. Gram stain of Brucella melitensis. Gram-negative spherical microbacilli can be seen, blunt round at both ends, single or paired, short chain arrangement, no spore (400X)