Smallpox virus that was supposed to have been eradicated in 1980 still exists in two places. Researchers at the US National Institutes of Health discovered a box containing vials labeled “variola” in a storage room refrigerator. They’re now trying to determine whether or not it’s still viable. A similar stock was found in a lab in Eastern Europe in 1990, and more recently at the Swiss Serum and Vaccine Institute in Bern. Safety officials say the virus did not leak and that there’s no danger to the employees.”]
Source: https://gizmodo.com/smallpox-virus-samples-found-in-unprotected-government-1602470027