Microbiology Both OX 2 and OX 19 are seen as positive test in case of: A Scrub typhus B RMSF(Rocky mountain spotted fever) C Epidemic typhus D Scrub typhus 💡 Explanation Both OX 2 and OX 19 are seen as positive test in case of: ✓ Correct Answer: B. RMSF(Rocky mountain spotted fever)