Humans are the primary reservoir for C. diphtheriae. Sources of infection include carriers who have recovered from an infection, new cases not exhibiting symptoms, people with active disease, and contaminated articles. Corynebacterium diphtheriae can colonize people who have been immunized, making them asymptomatic carriers. The bacterium is carried in chronic skin ulcers ("cutaneous diphtheria") in some indigent populations. Typically, the organisms are spread by air and acquired by inhalation.

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Bacterial Vaginosis Facts

Bacterial Vaginosis Facts

This fact sheet is designed to provide you with information on Bacterial Vaginosis. Bacterial vaginosis is an abnormal vaginal condition that is characterized by vaginal discharge and results from an overgrowth of atypical bacteria in the vagina.

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