Amazing fact about the invention of the lighter
The cigarette lighter was invented before the match.
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- Who created the first vaccine?
“In 1796, Edward Jenner created the first vaccine by infecting a boy named James Phipps with cowpox, which protected him from smallpox.”
Reference: Centers for Disease Control and Prevention (CDC)
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Where does the word "vaccine" come from?
The word "vaccine" comes from "vacca," the Latin word for cow, because the first vaccine used cowpox.
When was smallpox eradicated?
The World Health Organization declared smallpox eradicated in 1980, making it the first human disease wiped out by vaccination.