What to learn about dengue fever as cases spread out

INSUBCONTINENT EXCLUSIVE:
NEW YORK - Cases of dengue fever, a mosquito-borne viral illness that can be fatal, are surging around the world
The increase is occurring both in places that have long struggled with the disease and in areas where its spread was unheard-of until the
last year or two, including France, Italy and Chad, in central Africa
Last week, health officials in Pasadena, California, reported a first case of...