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James Thorpe

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Genetically altered vaccine approved

In 1986, the FDA licensed production of a new Hepatitis B vaccine - the first recombinant DNA (genetically altered) vaccine - by Merck & Co., marketed as RecombivaxHB. This superceded the old method of making Hepatitis B vaccines from blood taken from human chronic hepatitis B virus carriers.

Pupil: Please Miss, would you...

Pupil: Please Miss, would you punish someone for something they didn't do?
Teacher: No, Of course not!!
Pupil: Oh good, Because i haven't done my homework!!!
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