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Sep 13, 1500
1500's
Giovanni Fillippo was given credit for discovering chicken pox. -
1700's
Doctors believed chicken pox was a mild form of small pox but Dr. William Heberden proved that this virus was in fact not the same. -
1888
Janus Von Bokay observed varicella contact with patients with herpes zoster. -
1948
Electron microscopy showed viruses from varicella and zoster were identical in appearance. -
1958
Paul Weller proposed the name "varicella zoster virus". -
Around the 1960's
Before the introduction of the varicella vaccine in 1995, approximatley 4 million cases of chicken pox reported yearly, 4,000-9,000 hospitalized, and 100 deaths. -
1964
Hope-Simpson proposed that zoster was caused by reactivation of Varicella Zoster Virus (VZV). -
1974
A vaccine was found to help prevent chicken pox. Michiaki Takahash came up with the vaccine. -
1983
Chicken Pox was confirmed experimentally. -
1995
The U.S began to use the vaccination in 1995 -
2007
12 years after the vaccine, the annual death toll had droped to 14 and almost all were adults.