Bacterial Diseases

Typhoid – History, Causes, Treatment and Prevention

Definition Typhoid fever is caused by Salmonella typhi bacteria. Typhoid fever is rare in industrialized countries. However, it remains a serious health threat in the developing world, especially for children. Typhoid fever spreads through contaminated food and water or through close contact with someone who’s infected. Signs and symptoms usually …

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Leprosy: Causes, Complications and Medications.

What is leprosy? Leprosy, also known as Hansen’s disease (HD), is a chronic infectious disease caused by a Mycobacterium (Mycobacterium leprae) affecting especially the skin and marginal nerves. It is characterized by the formation of nodules or macules that enlarge and spread with loss of sensation and eventually paralysis, wasting …

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