Read more about the article African Sleeping Sickness
Trypanosoma on blood film

African Sleeping Sickness

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Organism African Sleeping Sickness is one of two diseases cause by Trypanosome parasites Transmission Tsetse fly (bite during the day) Epidemiology African Sleeping Sickness is caused by Trypanosoma brucei gambiense (West…

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Amoebiasis

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Organism Protozoan- Entamoeba histolytica Incubation: days-years Transmission Faecal-oral (usually contaminated water): infection by ingestion of 4-nucleated cysts.   Epidemiology Humans are the only reservoir 10% world population are infected (rare…

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Read more about the article Barmah Forest Virus
Barmah Forest Virus

Barmah Forest Virus

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Introduction Barmah Forest Virus causes infection in humans and other mammals. In humans, the infection results in polyarthritis, fever, tiredness, lethargy and rash. It has been identified only in Australia,…

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Read more about the article Brucellosis
Brucella bacteria

Brucellosis

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Organism Gram negative aerobic coccobacillus 3 species responsible for human infection: B. Abortus (disease of cattle) – Africa and india B. melitensis (disease of sheep, goats and camels) – Mediterranean…

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Candidiasis (Thrush)

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Introduction Vaginal thrush (vaginal candidiasis) is the most second cause of pathological vaginal discharge (behind bacterial vaginosis), it is not usually sexually transmitted, and is instead the result of fungal…

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Read more about the article Causes of Splenomegaly
Image showing an enlarged spleen

Causes of Splenomegaly

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Splenomegaly is a term that refers to an abnormally enlarged spleen. There are many causes of splenomegaly, the most common of which can be summarised with the mnemonic CHICAGO (below). Splenomegaly…

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Read more about the article Cellulitis
Left Leg Cellulitis. Image from Wikimedia Commons. Courtesy Colm Anderson

Cellulitis

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Introduction Cellulitis is caused by bacterial infection of the dermis layer of the skin and the deeper subcutaneous tissues. Often the infection is due to a break or puncture to…

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