History and Resistance of Infectious Diseases: Malaria, Tuberculosis, and Yellow Fever, Slides of Geology

Download History and Resistance of Infectious Diseases: Malaria, Tuberculosis, and Yellow Fever and more Slides Geology in PDF only on Docsity! Malaria • US-funded global campaign 1958-63. Outcry against DDT following Rachel Carson’s Silent Spring. • Mosquitoes developed resistance to DDT used in agriculture in Third World countries. • Resistance to chloroquine was noticed in southern Asia in the 1950s. By the 1960s some strains of Plasmodium falciparum had developed resistance to the 4 main anti- malarial drugs. • A new drug, mefloquine, was adopted in the 1970s, but resistant strains of falciparum emerged by the 1980s. • Strains of falciparum in Thailand have evolved an enzyme which expels all hostile chemicals, making it resistant to drugs that have not even been invented. Docsity.com Malaria Endemic Countries, 2003 [BB No Malaria [1] Countries with Malaria Risk Note: This map shows countries with endemic malaria. In most of these countries, malaria risk is limited to certain areas. ® Docsity.com