Write short notes on typhoid fever and its prophylaxis.

Explanation

Typhoid fever : It is caused by salmonella typhi which is a gram negative bacterium. It .mainly lives in the small intestine of man and then migrates to other organs through blood. It can be confirmed by widal test.
Mode of infection : Contamination through food and water.
Symptoms : Sustained fever with high temperature upto 104°F. weakness, stomach pain, constipation, headache and loss of appetite, Intestinal perforation and death may also occur in severe • cases.
Prophylaxis : Advancement made in biological science have armed to deal with many infectious effectively. The immunization programme by the use of vaccines have enabled us to completely irradicate like typhoid. Biotechnology is making available never cheeper vaccines, discovery of antibiotics and various other drugs also enabled us to treat typhoid.