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Muhammad ibn Zakariya Razi, also known as Razi, recorded some of the first known information on chicken pox and noted the differences between measles and small pox.
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Giovanni Filippo discovered first virus of chickenpox in Italy
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English physician named Richard Morton gave the name chickenpox to what he thought was a milder form of smallpox
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a physician named William Heberden from England was the first physician to clearly demonstarte that chickenpox was different from smallpox
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Rudolf Steiner, proved that a chicken pox infection was contagious.
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Von Bokay suggested the connection between shingles and chicken pox
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In the U.S there were approximately 100 deaths and more than 11,000 hospitilization a year from chickenpox
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chickenpox vaccine was added to the childhood immunization schedule
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study confirmed that adults exposed to children with natural chickenpox disease were protected from developing shingles later in life and that mass vaccination against chickenpox is likely to cause an epidemic of shingles affecting more thean 50 percent of American children and adults over age 10
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CDC recommended a booster dose of chickenpox vaccine for all children and a shingles vaccine was licensed and recommended for all adults over age 60
