MEDICINE

  

The History of the Polio Vaccine

Poliomyelitis is more commonly known as polio, and is a communicable disease. This means that is spreads by human-to-human contact, usually through the mouth from contaminated food or water and then infects the intestinal wall. After this the virus can then find its way into the blood stream and then the central nervous system. The disease was formally recognized in 1840 by Jacob Heine. It is considered a ribonucleic acid (RNA) virus, and there are three different strains of it including non-paralytic, spinal, and bulbar. The disease can infect a person regardless of age, however over fifty percent of the cases...