Question:easy
Endemic typhus is transmitted by which vector?
Endemic typhus is transmitted by which vector?
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Endemic (murine) typhus equals Rickettsia typhi, spread by the rat flea.
Updated On: Jun 24, 2026
- Louse
- Flea
- Tick
- Mite
Show Solution
The Correct Option is B
Solution and Explanation
Step 1: Rickettsial fevers are best recalled by pairing each illness with its arthropod carrier.
Step 2: Endemic typhus, also called murine typhus and due to Rickettsia typhi, circulates between rodents and is passed to humans through the bite or contaminated faeces of the rat flea.
Step 3: Louse points to epidemic typhus, mite points to scrub typhus, and tick points to the spotted fever group; none of these is endemic typhus.
Step 4: The answer is therefore the flea.
\[\boxed{\text{Flea}}\]
Step 2: Endemic typhus, also called murine typhus and due to Rickettsia typhi, circulates between rodents and is passed to humans through the bite or contaminated faeces of the rat flea.
Step 3: Louse points to epidemic typhus, mite points to scrub typhus, and tick points to the spotted fever group; none of these is endemic typhus.
Step 4: The answer is therefore the flea.
\[\boxed{\text{Flea}}\]
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