Six days after receiving several flea bites in a rat-infested shed, a homeless 24-year-old-man develops fever, chills, and a rash that spreads from his abdomen to cover his extremities. He is seen at the hospital emergency depament, where blood is drawn for analysis. Eight days later, the public health depament repos the presence of antibody to one of the rickettsial group antigens. Which of the following is the most likely diagnosis?
Endemic typhus Vector is flea Causative organism is R. typhi
Endemic typhus
Epidemic typhus
Q fever
Rocky Mountain spotted fever
Systemic Bacteriology (Haemophilus, Yersinia, Spirochaetes, Ricketssia, Chlamydia, Mycoplasma and Miscellaneous Bacteria)