JOSH SHER / SCIENCE PHOTO LIBRARY JOSH SHER / SCIENCE PHOTO LIBRARY
Antimalarial tablets. Box and blister pack of Nivaquine antimalarial tablets. Each tablet contains 200 milligrams of the drug chloroquine sulphate. People travelling to areas in which malaria is prevalent should take these pills before, during and after their trip. Malaria is caused by the presence of Plasmodium sp. parasites in the blood. The parasites are spread by the bites of infected female Anopheles sp. mosquitoes.
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