diseases caused by insects

Question 1

what are the two forms of malaria

Answer 1

1. Plasmodium falciparum
   * Most dangerous to travellers
   * Complications due to vascular damage
   * Can develop semi-immunity
   * Semi Immunity
   * resistance to chloroquine and other antimalarials
   * Does not form hypnozoites
2. Plasmodium vivax
   * Debilitating but not fatal in travellers
   * Cycle of fevers as RBCs release merozoites
   * No immunity
   * Mostly still sensitive to chloroquine
   * Forms hypnozoites

Question 2

symptoms of malaria

Answer 2

diarrhoea
headache
fever
vomiting

Question 3

what is the treatment for malaria

Answer 3

• Chloroquine (± Proguanil)
• very few areas. Not in sub-Saharan Africa
• Mefloquine or Doxycycline or Atovaquone/Proguanil*

*always record the sale