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ECONOMIC AND SOCIAL ASPECTS OF DISEASE
GENERAL MEASURES OF COMMUNICABLE DISEASE
CONTROL OF COMMUNITYWIDE DISEASE
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adults Aedes Aedes aegypti Africa animals antibodies arthropod bacteria birth bites cause chlorine chloroquine clinical containing countries cutaneous leishmaniasis cysts death rates diagnosis diet disease disinfected disposal dogs domestic dose drains drugs effective eggs endemic endemic areas epidemic Epidemiology excreta faeces feeding filter fleas flies health workers hookworm host houses human hygiene immunity incubation period infant infection insecticides kill laboratory larvae latrine leprosy lesions litres live malaria mammals method metres mg/kg microfilariae monkeys months mosquitoes occur organisms outbreaks parasites pathogenic patients penicillin person pipe population possible prevent protection rats reduce reservoir rickettsiae risk rodents sandflies serological skin snails soil sometimes species spirochaetes spraying spread strains suitable surface symptoms tank temperature tetracycline ticks tissue transmission transmitted treated treatment trench tropics typhus usually vaccine vary vectors vegetation virus vitamin water supply weeks wild yellow fever