Destroying the last samples of smallpox virus could prove short-sighted

Citation

Browne T (2014) Destroying the last samples of smallpox virus could prove short-sighted. The Guardian [Blog Post] 10.07.2014. https://www.theguardian.com/science/blog/2014/jul/10/smallpox-virus-vials-variola-research

Abstract
The discovery of intact vials of smallpox in a storeroom last week demonstrates the need to maintain samples of the virus in secure facilities for future vaccine research