Environmental Factors Affecting The Disease

1454 Words Aug 18th, 2016 6 Pages
have the second and consequent attacks after exposure to infection.
Environmental factor-The disease is seen throughout the year, but higher incidence is reported during rainy season and increased fly breeding in June-September, because the disease is spread mainly due to flies. Social factor-Drinking water or milk and food contaminated by intestinal contents of the patients or carriers or by flies which often transmit the disease. Eating unwashed and uncooked vegetables are good source of infection.
Symptoms and signs
The disease is characterized by a continued, high inflammation of the intestine, formation of intestinal ulcers, haemorrhage and enlargement of spleen can occur, Payer’s patches or fiat patches of lymphatic tissues situated in the small intestine but mainly in the ileum are the seat of infection in typhoid fever. The patient may complain of diarrhoea or constipation and severe stomach ache. Abdominal absorption of nutrients is decreased and the patient may feel headache and anorexia.
Sources of infection : The main source of infection is the faeces and urine of the case and the carrier and indirect cause may be food, fly, finger, fomite, fluids.
Mode of trajismjssioa : The typhoid is spread through faeco-oral or urine oral route. The disease spreads through contaminated hands, by urine or stool of case or carrier or indirectly by ingestion of contaminated food, water, milk through flies or any other means.
Chloramphenicol is the drug of choice…
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