Scientists call for further study of smallpox virus

Although smallpox was declared eradicated in 1980, research on an antidote continues at one US and one Russian laboratory amid concern about the possibility of intentional release.

The next World Health Assembly of the World Health Organization, to be held 28–30 May, will discuss a call to destroy the last specimens.

But in a recent commentary in PLOS Pathogens, scientists from the US and Brazil called for a stay on moves to destroy the live viral strains while important research questions remain unanswered and a vaccine was yet to be