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Acute, localized autoinoculable infectious disease usually acquired through sexual contact. Caused by HAEMOPHILUS DUCREYI, it occurs endemically almo…

A highly contagious infectious disease caused by the varicella-zoster virus (HERPESVIRUS 3, HUMAN). It usually affects children, is spread by direct …

Infections with bacteria of the genus CHLAMYDIA.

Infections with bacteria of the family CHLAMYDIACEAE.

Pneumonia caused by infections with the genus CHLAMYDIA; and CHLAMYDOPHILA, usually with CHLAMYDOPHILA PNEUMONIAE.

Infections with bacteria of the genus CHLAMYDOPHILA.

An acute diarrheal disease endemic in India and Southeast Asia whose causative agent is VIBRIO CHOLERAE. This condition can lead to severe dehydratio…

Scaly papule or warty growth, caused by five fungi, that spreads as a result of satellite lesions affecting the foot or leg. The extremity may become…

Infections with protozoa of the phylum CILIOPHORA.

Virus diseases caused by the CIRCOVIRIDAE.

Infection of the biliary passages with CLONORCHIS SINENSIS, also called Opisthorchis sinensis. It may lead to inflammation of the biliary tract, prol…

Infections with bacteria of the genus CLOSTRIDIUM and closely related CLOSTRIDIOIDES or reclassified members of Clostridium.

Meningitis caused by a fungus of the genus COCCIDIOIDES, endemic to the SOUTHWESTERN UNITED STATES, south-central Washington State, and parts of Mexi…

Infection with a fungus of the genus COCCIDIOIDES, endemic to the SOUTHWESTERN UNITED STATES. It is sometimes called valley fever but should not be c…

Protozoan infection found in animals and man. It is caused by several different genera of COCCIDIA.

Simultaneous infection of a host organism by two or more pathogens. In virology, coinfection commonly refers to simultaneous infection of a single ce…

A catarrhal disorder of the upper respiratory tract, which may be viral or a mixed infection. It generally involves a runny nose, nasal congestion, a…

An illness caused by an infectious agent or its toxins that occurs through the direct or indirect transmission of the infectious agent or its product…

Infectious diseases that are novel in their outbreak ranges (geographic and host) or transmission mode.

Infectious diseases originating in one geographically delineated ecosystem that are carried (by travel or immigration) to another geographically deli…

Any infection acquired in the community, that is, contrasted with those acquired in a health care facility (CROSS INFECTION). An infection would be c…

Infection of the lungs in a patient who is not hospitalized or who has not resided in a long-term care facility for 14 days prior to the onset of sym…

Sexually transmitted form of anogenital warty growth caused by the HUMAN PAPILLOMAVIRUS VIRUSES.

A highly contagious disease characterized by subconjunctival hemorrhage, sudden swelling of the eyelids and congestion, redness, and pain in the eye.…

Purulent infections of the conjunctiva by several species of gram-negative, gram-positive, or acid-fast organisms. Some of the more commonly found ge…

An infection of the eyes characterized by the presence in conjunctival epithelial cells of inclusion bodies indistinguishable from those of trachoma.…

Inflammation, often mild, of the conjunctiva caused by a variety of viral agents. Conjunctival involvement may be part of a systemic infection.

Loss of epithelial tissue from the surface of the cornea due to progressive erosion and necrosis of the tissue; usually caused by bacterial, fungal, …

Virus diseases caused by CORONAVIRIDAE.

Virus diseases caused by the CORONAVIRUS genus. Some specifics include transmissible enteritis of turkeys (ENTERITIS, TRANSMISSIBLE, OF TURKEYS); FEL…