Antimalarial products vary depending on where you are going, because malarial parasites differ from country to country - no one medication suits every destination.

Among protozoan endoparasites, such as the malarial parasites and trypanosomes, infective stages in the hosts blood are transported to new hosts by biting-insects, or vectors.

Quinine and chloroquine affect malarial parasites only at life stages when the parasites are forming hematin-pigment (hemozoin) as a byproduct of hemoglobin degradation.

He went back to procure the bird itself and later found that the blood sample contained highly active malarial parasites.

This was a conclusive evidence that malarial parasites were indeed transmitted by mosquitoes.