This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Transovarian transmission is a feature of? 
Select and explain. 
A. Scrub fever, B. Epidemic typhus, C. Endemic typhus, D. Trench fever
A: Scrub fever
Answer: A: Scrub fever 
Explanation: Ans. is 'a' i.e., Scrub typhus o Orientia tsutsugamushi is transmitted trans ovarially in mites. o Transovarian transmission is seen in : o Scrub typhus o Rickettsial pox o Indian tick typhus o Q. fever Rocky mountain spotted fever