malaria

Question 1

pathogen

Answer 1

plasmodium falciparum/malariae/ovale/vivax (protoctists)

Question 2

transmission

Answer 2

bitten by infected female anopheles mosquito (vector)
- inserts pathogen into blood
- small water enough breeding ground
- some show more human biting rates

Question 3

biological factors of prevention and control

Answer 3

-spreads in tropical areas due to habitat of vector
- complex lifecycle of plasmodium
- hard to control
- 1950 insecticides: resistance
- resistance to drugs
- lower immunity in non endemic areas and opportunistic infections (of AIDS)

Question 4

social factors of prevention and control

Answer 4

• lower risk perception
• tradition: imposing ew ideas on communities: e.g. 1950 bed nets: 20% used

Question 5

economic factors of prevention and control

Answer 5

• LICs reduced access to health care and education
• lower standards housing
• lack of electricity to keep cool
• economic costs to individuals especially peak times during agricultural activity: more time outside