Holidaymakers were today warned about the dangers of parasites after a ... It cannot spread between humans. When the larvae moves under the skin, the body's immune system reacts, causing the ...

When a human steps on ... into adults — when larvae move under the skin, the body's immune system reacts, causing inflamed, bumpy red lines. Anti-parasite medication, however, can help clear ...

Human botfly larvae, for example, burrow under your skin ... But some egg-laying parasites go more than just skin deep. Tapeworms, for example, invade your intestines. Adults can stretch longer ...