Rickets – Epidemiology, Symptoms and Treatment.

Definition  Rickets is a bone disorder caused by a deficiency of vitamin D, calcium, or phosphate. Rickets leads to softening and weakening of the bones and is seen most commonly in children 6-24 months of age. Vitamin D promotes the absorption of calcium and phosphorus from the gastrointestinal tract. A …

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Trachoma – Epidemiology, Symptoms, and Prevention.

Definition Trachoma is a contagious bacterial infection which affects the conjunctival covering of the eye, the cornea, and the eyelids. It is often associated with poverty and lack of proper hygiene. Trachoma is caused by the Chlamydia trachomatis bacteria and is essentially totally preventable and curable. It is the leading …

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Brucellosis – Symptoms, Treatment and Prevention.

Definition Brucellosis is an infectious disease caused by a type of bacteria called Brucella. The bacteria can spread from animals to humans. There are several different strains of Brucella bacteria. Some types are seen in cows. Others occur in dogs, pigs, sheep, goats, and camels. Recently, scientists have seen new …

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Plague: Definition, Manifestations and Treatment.

Definition Plague is an infectious disease caused by bacteria called Yersinia pestis. These bacteria are found mainly in rodents, particularly rats, and in the fleas that feed on them. Other animals and humans usually contract the bacteria from rodent or flea bites. SEM image of Yersinia pestis History Historically, it …

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Salmonellosis – Causes, Symptoms, and Prevention.

Definition Salmonella infection (salmonellosis) is a common bacterial disease that affects the intestinal tract. Salmonella bacteria typically live in animal and human intestines and are shed through feces. Humans become infected most frequently through contaminated water or food.   Types Salmonella is divided into two groups: Typhoidal Salmonella, which is …

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