Why the Silence Comandante Ortega? That paraphrasing of a headline from the great Spanish daily El Pais introduced a story in the paper on the difficulties that Nicaragua has faced in coming to grips with the death and disability wrought by a still-unexplained kidney disease epidemic.
One lab is using slow motion footage of people sneezing to study the physics of these disease-spreading expulsions.This video was reproduced with permission and was first published on May 31, 2016. It is a Nature Video production.
The basic reproduction number and why it matters