A global challenge demands global cooperation
Helen Branswell writes: Forty years ago, the world celebrated the vanquishing of a formidable foe, smallpox, which had maimed and killed millions for centuries. On May 8, 1980, the World Health Organization declared that smallpox had been eradicated. That milestone, reached while the Cold War still raged, is an example of what the public health world can achieve when it works together — and is particularly resonant in the midst of the coronavirus pandemic. The campaign against smallpox took 21…