• Measles (Rubeola disease): caused by Rubeola virus.
  • Chicken pox: Caused by Varicella zoster virus (a DNA virus) which is passed out in the discharges of the respiratory tract of an infected person.
  • Small pox: Caused by Variola vera (a DNA virus). The disease starts with high fever, chill, backache and headache, followed by the appearance of rash.
  • Poliomyelitis: caused by Enterovirus (RNA virus), enters the body through food or water and multiplies in the cells of the intestinal wall and spreads in nervous system through blood.
  • Dengue Fever (Break bone fever):caused by RNA containing arbovirus, transmitted to human by the bite of Aedes aegypti (mosquito) during day time.
  • Rabies (Hydrophobia): Caused by Rabies virus (Rhabdovirus) It enters the human body with saliva of an infected animal (rabid animal), on getting bitted.It is characterized by scare of water. 
  • AIDS (Acquired Immuno Deficiency Syndrome) caused by HIV(Human immunodeficiency virus).
  • Common cold, caused by Rhino virus and Corana virus.
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