This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
A person wants to visit a malaria endemic area of low level chloroquine resistant falciparum malaria. The best chemoprophylaxis is - 
Select and explain. 
A. Chlorquine, B. Proguanil + Pyrimethamine, C. Sulfadoxine + Pyrimethamine, D. Mefloquine
D: Mefloquine
Answer: D: Mefloquine 
Explanation: - in areas of chloroquine resistant falciparum malaria, the chemoprophylaxis is mefloquine. - weekly mefloquine should preferably be staed before depaure to malaria endemic areas, to achieve higher pre travel blood level. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:268 <\p>