Living with parasites. This series is suitable for teaching biology at KS4/GCSE in England, Wales and Northern Ireland and National 4/5 in Scotland. Infested by hookworm. videoInfested by hookworm ...

In this short film Dr Michael Mosley investigates hookworms - large parasites which invade our immune system. The worms have co-evolved with us to secrete chemicals which alter our immune system ...