stratagies and effectiveness at combatting malaria

Question 1

draining stagnant water

Answer 1

heavy rainfall, time consuming

Question 2

spraying insecticides (DDt, now banned and malathion)

Answer 2

resistance, insecticides are harmfull

Question 3

genetically modified sterile mosquite

Answer 3

technology limits

Question 4

Egg whites can be sprayed on stagnant water to suffocate larvae

Answer 4

waste of food, needs to be done frequently

Question 5

BTI coconuts -coconuts placed in water - bacteria destroy larvae stomach linings

Answer 5

cheap,enviromentally friendly, small amount needed - can work for 45 days

Question 6

Medication can be used to kill the parasite/prevent infection e.g quinine or Malarone

Answer 6

parasites often adapt, drugs are expensive for poorer countries e.g Malawi

Question 7

Educate locals to use insect repellant/cover skin at dusk/dawn

Answer 7

can be difficult to educate people in their own language, though word of mouth is powerfull

Question 8

Mustard seeds drown larvae

Answer 8

drag larvae into water

Question 9

Eucalyptus trees to soak up water

Answer 9

invasive, provide shade for mosquitos

Question 10

Vaccine trials e.g RTS,S

Answer 10

easy to administer through PHC schemes, however only 50% effective

Question 11

Insecticide treated bed nets

Answer 11

cheap and easy, some cultures beleive they trap spirits

Question 12

adding fish to paddi feilds e.g the muddy loach fish as they eat the mosquito larvae