6.2.6 - Controlling Endemic disease Flashcards
1
Q
Give reasons why malaria is still a global challenge.
A
Increased resistance to antimalarial drugs.
Widespread poverty and inadequate availability of good healthcare systems in endemic countries.
New breeding sites for mosquitoes due to environmental changes caused by humans
2
Q
What is one of the most effective methods of preventing malaria?
A
Vector control
3
Q
What do antimalarial drugs do?
A
Act rapidly on the parasites in the blood and are able to destroy gametocytes reducing transmission.
4
Q
Why are people with sickle-cell anaemia less likely to contract malaria?
A
Haemoglobin is defective, reducing oxygen capacity. The protozoa is unable to thrive in these low oxygen conditions