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Economic and Social Aspects of Disease
General Measures of Communicable Disease
27 other sections not shown
adult Africa animals bites blood body breeding carriers cause cent centre chloramines chlorine clinical commonly containing control measures death rate diagnosis dieldrin disease disinfection dose drains drugs effective eggs endemic epidemic Epidemiology examination excreta faeces feeding feet filter fleas Geographical Distribution herd immunity host human hygiene immunity important inches incidence incubation period infected persons infection inoculation insecticide intervals intestine larvae latrine leishmaniasis leprosy lesions living malaria method microfilariae molluscicides months mosquito occur organism parasite patient plague population present protected rats reaction reduce removed reservoir residual insecticides resistance result rickettsiae rodents sandflies skin snails soil source of infection species sporadic sporozoites spread standards sterilised strains suitable surface susceptible syphilis tank temperature tion tissues transmission transmitted treatment trench tropics trypanosomes tuberculosis typhus usually vaccine vector virus weeks worm yellow fever