Further up the food chain

- by food or water

- through nose mouth, anus, urinary or genital tracts

- by insect bites

- by burrowing under skin

- They feed on nutrients in the gut causing malnutrition and illness

- limit human food supplies

- block water and mineral uptake in crops, causing stunted growth and reducing yields

1. mosquito injects saliva with parasites

2. Parasite enters liver cell

3.Invades red blood cell

4. repoduces

5. A few parasite cells become sex cells

6. Mosquito sucks up blood with sex cells

7. Fertilization

8. Zygote burrows through mosquito gut wall

9. Reproduces and migrates to salivary glands

- extreme tiredness

- Short of breath

- blocks blood vessels (don't bend)

- sickle shaped red blood cells

- joint pains

- damages tissues and organs (behind blackage deprived of oxygen)

- damages red blood cells

-not replaced fast enough = anaemia