Cholera Contact Precautions Cholera, also known as Asiatic or epidemic cholera, is an acute enterotoxin-mediated GI infection caused by the gram-negative bacillus Vibrio cholerae. It produces profuse, watery diarrhea that…

Chlamydia Trachomatis Infection Chlamydial infections—including urethritis in men and urethritis and cervicitis in women—are linked to the organism C. trachomatis. Trachoma inclusion conjunctivitis, a chlamydial infection that rarely occurs in…

Chancroid Chancroid, also known as soft chancre, is a highly contagious but treatable sexually transmitted infection characterized by painful genital ulcers and inguinal adenitis. Chancroidal lesions may heal spontaneously and…

Chagas Disease Chagas disease, also known as American trypanosomiasis, is caused by the parasite Trypanosoma cruzi, which is transmitted by bugs called triatomines. The disease is common in Central America,…

Cat Scratch Disease Cat scratch disease is a bacterial infection caused by the fastidious gram-negative bacillus Bartonella henselae. Most people with cat scratch disease have a history of being scratched…

Carbapenem-Resistant Enterobacteriaceae Infection Contact Precautions Carbapenem-resistant Enterobacteriaceae (CRE) are gram-negative bacteria, such as Klebsiella pneumoniae and Escherichia coli, that produce the enzyme carbapenemase. The enzyme carbapenemase makes these bacteria resistant…

Candidiasis Candidiasis (also called candidosis or moniliasis) is usually a mild, superficial fungal infection caused by the genus Candida. It usually infects the nails (onychomycosis); skin (diaper rash); mucous membranes,…

Campylobacteriosis Contact Precautions Campylobacteriosis is an intestinal infection caused by Campylobacter, which are spiral-shaped bacteria that invade and destroy the epithelial cells of the jejunum, ileum, and colon. The bacteria…