MALARIA

Question 1

Describe the ABCD approach to prevention

Answer 1

A-Awareness of risk
B-Bite prevention
C-Check whether you need prevention tablets
D-Diagnosis

Question 2

What is ‘casual prophylaxis’

Answer 2

targets liver stage, takes 7 days to develop continue for 7 days after leaving area

Question 3

What is ‘suppressive prophylaxis’

Answer 3

erythrocytic stage continue for 4 weeks after

Question 4

How does Malarone work

what is in it?

Answer 4

Atovaquone and proguanil
prevents development of liver schizonts
casual prophylactic
works on erythrotic stage
effective against falciparum and some vivax

Question 5

How does mefloquine work?

what is in it

Answer 5

Lariam
suppressive prophylactic, effective against falciparum
not recommended if any CNS problems

Question 6

How does doxycycline work?

Answer 6

Vibramycin D
prevents erythrotic stages, suppressive
100mg daily for 1-2 days before entering and 28 days after

Question 7

What is black water syndrome

Answer 7

dark brown urine due to intravascular haemolysis, only falciparum, leads to acute renal failure.

Question 8

DALY equations

Answer 8

DALY=YLL+YLD
YLL=NXL
YLD+IXDWXL

Question 9

Describe the 3 stages of the malaria elimination strategy

Answer 9

1) aggressive control in heartland
2) progressive elimination from endemic margins
3) research to bring forward new tools