Invented by : Maurice Hilleman Licensed by : Merck

Merck is a global pharmaceutical company known for its contributions in developing vaccines . Maurice Hilleman is known for fighting diseases and is referred to as ‘ history ’ s most successful vaccinologist ’.

Hep A impacts the liver and spreads through contaminated food and water , as well as by close contact with an infected person . Hilleman invented the Hep A vaccine in 1995 , which helps individuals develop immunity to the virus and prevents its transmission , reducing the risk of severe illness .

Invented by : Emil von Behring

In the late 19th century , German bacteriologist Dr . Emil von Behring and his colleague Dr . Kitasato Shibasaburo identified the bacterium Corynebacterium diphtheriae as the causative agent of diphtheria , a highly-contagious and potentially deadly disease .

Von Behring further discovered that animals infected with the diphtheria bacteria produced an immune response that developed antibodies neutralising the toxin . He extracted the serum containing these antibodies from the blood of immunised animals , creating the first diphtheria antitoxin .

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