Proposed changes by the Trump administration that discourage immigrants from using public services come just ahead of flu season, according to epidemiologists.
The stakes of the analysis are much higher when lives are on the line.
Two epidemiologists argue for the adoption of research methods that don't produce dangerous new virus strains.
The oral vaccination used in the world's largest global health campaign, a successor to that first developed by Dr. Hilary Koprowski, who passed away this past weekend, comes with its own set of risks.