Diseases, Conditions, Syndromes

WHO: All of Sao Paulo state at risk for yellow fever

The World Health Organization announced Tuesday that it now considers all of Sao Paulo state at risk for yellow fever, recommending that all international visitors to the state be vaccinated.

Health

Road safety in megacities: Bikers, pedestrians beware

(Medical Xpress)—Rapid growth of large cities throughout the world is having enormous impact on traffic safety in urban areas, say researchers at the University of Michigan Transportation Research Institute.