SCIENCE FILE: An exploration of issues and trends affecting science, medicine and the environment.

Worried about the Ebola virus? Looking for the latest word on the flu? The home page for the U.S. Centers for Disease Control and Prevention at https://www.cdc.gov/cdc.html gives information on humanity’s scourges. Also on the site is the Weekly Morbidity and Mortality Report, the definitive journal of public health epidemiology.