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How is diphtheria transmitted?

April 26, 2017diphtheria

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How is diphtheria transmitted?

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Diphtheria is transmitted to close contacts via airborne respiratory droplets or by direct contact with nasopharyngeal secretions or skin lesions. Rarely, it can be spread by objects contaminated by an infected person. Overcrowding and poor living conditions can further contribute to the spread of diphtheria. Humans are the only known reservoir of Corynebacterium diphtheriae. Infected individuals may develop symptoms of diphtheria, or they may become carriers of the bacteria with no symptoms (asymptomatic carriers). These asymptomatic carriers can serve as reservoirs for active infection and may transmit the disease to other individuals. What are the signs and symptoms of diphtheria? The symptoms of respiratory diphtheria usually begin after a two- to five-day incubation period.