Malaria Revision

Question 1

Causes(human)

Answer 1

• Houses close to breeding sites for example; padi fields.
• Human migration can allow the parasite to enter new areas.
• People provide the blood meal that the mosquitoes need.

Question 2

Causes (physical)

Answer 2

-Stagnant water(still) allows the mosquitos to lay their eggs.
- The female anopheles mosquito, is a vector.
- Mosquitoes thrive in tropical conditions with temperatures between 15-40 degrees Celsius

Question 3

Effects (adults and the country)

Answer 3

• if adults are too sick, they cannot work so they remain poor. They cannot buy enough food to eat.
• Companies like, Coca Cola are less likely to open factories in a country due to an unreliable work force.
• Tourists may not want to visit a country with malaria, so there are fewer tourism jobs and less money coming into the country.

Question 4

Effects (On Children)

Answer 4

• Children being off school and not learning can result in lower literacy rates.
• Malaria is worse in young children, which can lead to large numbers of children under the age of 5 dying.

Question 5

methods/control pt1

Answer 5

• Anti-malarial drugs can kill blood parasites, for example chloroquine.
• Draining all breeding areas like old tyres or buckets eradicates larvae.
• planting eucalyptus trees to soak up moisture removes breeding grounds.
• mustard seeds can be used to drag larvae below the surface of the water to drown them.

Question 6

methods/control pt2

Answer 6

• Small fish can be introduced to eat the larvae and can also provide a cheap protein source.
• Insecticides, such as malathion destroy female anopheles mosquito.
• Bed nets are cheap and effective at stopping mosquitoes from biting at night.