Should the US and Russia destroy their smallpox stocks?

[Ovenpaa]

Should the US and Russia destroy their smallpox stocks?

http://www.bbc.co.uk/news/health-13360794

The full details of Smallpox for those that had forgotten can be found here:

http://www.who.int/mediacentre/factsheets/smallpox/en/

There are two rare forms of smallpox: haemorrhagic and malignant. In the former, invariably fatal, the rash was accompanied by haemorrhage into the mucous membranes and the skin. Malignant smallpox was characterized by lesions that did not develop to the pustular stage but remained soft and flat. It was almost invariably fatal.

Which made me think, what qualifies a zombie as a zombie.......