Ecology By BRymer12 Jan 1, 1347 Black Death hits Europe • 75 million people were killed Jan 1, 1700 Edward Jenner invented Vaccines May 14, 1796 Vaccins were tested Jan 1, 1894 First major Polio outbreak in Vermont Jan 1, 1972 Smallpox outbreaks in Yugoslavia Jul 1, 1981 Aids first diagnosed since then more than a million are diagnosed. Almost half a million die each year Jan 1, 1989 Ebola outbreaked in USA killing no one Jan 1, 1990 Ebola Outbreaks in USA killing 4 poeple
