Find number abc
If c8ac8 + 6626a = a6bb5c find number abc. Multiple solutions may exist.Correct answers: 29
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Genetically altered vaccine approvedIn 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 This superceded the old method of making Hepatitis B vaccines from blood taken from human chronic hepatitis B virus carriers. |