Download Malaria - Clydebank High School

Malaria
Human Factors
• The following factors encourage the spread of
the disease.
• Overcrowded living conditions provide a blood
bank.
• Poor sanitation and drainage encourage the
spread of the disease.
• Lack of understanding and education means
people have no way of knowing how to protect
themselves against the disease.
• Malnutrition means the body is less able to fight off
disease.
• Migration.
• Stagnant water provides a breeding ground.
– Water Tanks
– Irrigation Channels.
Environmental Factors
• Suitable breeding sites stagnant
water provides a breeding ground.
• Hot wet climate 16 degrees to 40
degrees encourages.
• Areas of shade where the mosquito can
digest the blood.
• Isolated settlements and the relief
of the land means limited access to
health care.
Control Method
Effectiveness.
Insecticides – DDT and
Malathion
Mosquitoes become resistant.
Impact on the environment.
Expensive.
Anti Malarial Drugs –
Chloroquine, Malarone.
Expensive, Side effects, Resistance.
Releasing water from
Reservoirs.
Expensive, reliance on water for irrigation.
Drainage of Breeding sites.
May be only source of water for a
community.
Planting Eucalyptus Trees.
Soaks up the moisture. Expensive, soils.
Small fish in paddy Fields.
Effective and provides a source of food.
Mustard seeds drown
larvae.
Would rather eat the mustard seeds.
Egg whites suffocate
larvae.
Would rather eat the eggs..
Education campaigns such
as road shows
Very effective but expensive and often
difficult to reach isolated villages.
Reliance on foreign aid.
Preventative measures,
nets, screens on windows,
avoid going out at night with
bare skin.
Prevention is better than cure.
Expensive to buy nets and
insecticides.
Make sleeping very uncomfortable.
Used for fishing nets.