1101 words essay on Swine Flu : Causes and Cure. Swine influenza virus was first isolated from pigs in 1930 in the US and has been recognized by pork producers and veterinarians to cause infections in pigs worldwide.
Health is the greatest assets a person possesses. It is an important gift by nature to us. Health is precious and every one must look after it carefully.
TB is caused by bacillus bacterium, mycobacterium tuberoculosis. When lungs are affected by this bacterium called pulmonary TB. Infection occurs through air. The bacteria produce a toxin called tuberoculin.
It is said, 'Prevention is better than cure'. Nearly 200 years ago, Edward Jenner, a doctor in England noticed the milkmaids seldom got smallpox. Smallpox was a common disease in those days. It was a deadly disease and few could survive.