Thrombocytosis is defined as a platelet count above the upper limit of the normal range (450 x 10 9 /L in adults). This article aims to outline diagnosis, investigation and management of patients with thrombocytosis and to highlight possible complications.
  Dr Edward Jenner discovered the vaccine in 1796 and published his findings in 1798. Edward Jenner invented the vaccine for small pox in 1798.He  prepared the vaccine f â¦ rom the cow pox virus. His discovery could  save more lives than any other medical discovery. Dr Edward Jenner discovered the vaccine in 1796 and published his findings in 1798. Edward Jenner invented the vaccine for small pox in 1798. He  prepared the vaccine f â¦ rom the cow pox virus.
I shall never have smallpox for I have had cowpox. I shall never have an ugly pockmarked face.. ... the annihilation of the smallpox, the most dreadful scourge of the human species, must be the final result .... It is hard to determine who invented vaccination. It may have been used in ancient times in China, India or Persia. But we do know that Edward Jenner was the first person which the first recorded vaccination in the western world.