however , with the presence of chloroquine resistance in several countries , a critical review of the use of drugs is required.in the countries of southern africa where malaria is unstable and liable to be epidemic , control is achieved mainly by the seasonal use of residual insecticides and chemotherapy.so far , eradication has been achieved only in reunion , but it is also likely to be achieved soon in the islands of sao tome and principe .
C0008269
chloroquine
C0024530
malaria