Follow two mosquito-borne viruses and a tick-borne bacterium without confusing a vector with the organism.
Read how the Zika profile distinguishes common mild illness from pregnancy-specific complications.
A mosquito-borne virus that is usually mild but serious in pregnancy.
Compare its illness context: WHO highlights fever and joint pain that may persist.
A mosquito-borne fever whose joint pain can last long after it.
Look for the tick vector in the Lyme disease profile. A tick is not the bacterium itself.
The corkscrew-shaped bacterium behind Lyme disease, carried by ticks rather than passed between people.
Which virus is especially associated with prolonged joint pain?
Option: Zika virus
Answer: Chikungunya virus
Option: Borrelia burgdorferi
WHO highlights severe joint pain with chikungunya and notes that it can last weeks, months, or longer.
Which organism in this path is carried by infected ticks?
Answer: Borrelia burgdorferi
Option: Zika virus
Option: Chikungunya virus
The PHAC sheet describes ticks as vectors for B. burgdorferi.