Small Pox

Fortunately, in April 1977, India was declared a small pox free country. Small pox was once a major killer throughout the world and its eradication has prevented two million deaths, a few hundred cases of blindness and 10-15 million cases of diseases. Causative Agent Small pox is an infectious disease caused by the variola virus…. [ Continue Reading ]


Another infectious disease like measles or chicken pox, mumps is caused by a virus which attacks mainly the glandular and nervous tissues. Although the morbidity rate tends to be high, mortality rate is negligible. Causative agent Mumps is caused by a virus called Myxovirus parotiditis. Source of infection The disease is spread by direct contact… [ Continue Reading ]