Causative Factors

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Causative Factors

Infective Material

The immediate sources of infection are the stools and vomit of carriers.

Related issues

Period Of Communicability

A case of cholera is infectious for a period of about seven to 10 days. Convalescent carriers remain infectious for about two to three weeks.

Carriers In Cholera

Chronic Carriers

A chronic carrier state occurs infrequently.

Host Factors

Age And Sex

Cholera affects all ages and people of both sexes.

Population Mobility

Movement of population (e.g. pilgrimages, marriages, fairs and festivals) results in an increased risk of exposure to the infection.

Economic Status

The incidence of cholera tends to be the highest in the lower socio-economic groups, and this is attributable mainly to poor hygiene.