Malaria-methods of prevention

Question 0

2. Spread water surface with egg whites

Answer 0

• Very expensive
• Wasteful
• Never will be able to cover all surfaces

Question 1

1.Drainage of the breeding grounds

Answer 1

• Very expensive
• Requires a lot of man power
• Very effective in killing the mosquitoes
• Impractical as larvae can lay eggs in puddles so there will always be other breeding grounds

Question 2

3. Spread water surfaces with oil

Answer 2

• Very expensive
• Wasteful
• Never will be able to cover all surfaces

Question 3

4. Malathion- new generation of pesticides

Answer 3

• Resistance will likely develop
• Very expensive
• Has to be applied every 4 months so it’s time consuming
• Stain walls
• Unpleasant smell

Question 4

5. Introduce disease to kill the larvae

Answer 4

• Very expensive
• Disturbs ecosystem
• Disrupts food chain

Question 5

6. Genetic engineering to introduce sterile male mosquitoes

Answer 5

• Still under development
• Disturbs the ecosystem
• Time consuming
• Very expensive

Question 6

7. Eucalyptus trees to soak up moisture

Answer 6

• Very expensive
• Requires a lot of man power
• Very effective in killing the mosquitoes
• Impractical as larvae can lay eggs in puddles so there will always be other breeding grounds

Question 7

8. Flush irrigation every 7 days

Answer 7

• Works well

* However creates problems as you can’t drain a large reservoir

Question 8

9. Guppies

Answer 8

• They eat the larvae
• Very effective
• Cost effective
• Takes less time
• Supplies a food source however people could eat the fish before they eat the larvae
• Fish can only live on large ponds

Question 9

10.Education

Answer 9

• eg health campaigns, health centres
• Needs organisation
• Lowers risk of catching malaria

Question 10

11. Distributing treated bed nets

Answer 10

• very cheap
• costs 55p
• very effective could seriously reduce number of malaria cases

Question 11

12. BTI Coconuts

Answer 11

• cheap
• environmentally friendly
• coconuts are plentiful in tropical climates
• 2/3 coconuts controls pond for 45 days

Question 12

13. Destroy the plasmodium

Answer 12

• takes time

* very expensive to kill all the mosquitoes

Question 13

14. Traditional cures

Answer 13

• eg quinine
• increasing resistance
• hard to distribute to everyone

Question 14

15. Vaccines

Answer 14

• Yet to be developed

* It would be very effective

Question 15

16. new man made drugs

Answer 15

• eg Atabrin,
• Expensive
• Unpleasant side effects
• resistance will develop eventually