 The FDA approved a similar drug from a Japanese drug maker. Lilly's drug has advantages to that medicine, including requiring only one infusion per month instead of two. Florida health officials issue a warning about a mosquito-borne illness that can be fatal if not treated properly. CBS's Peter King. Health officials have issued the alert in the Florida Keys. After two people were confirmed to have dengue fever, the CDC has already issued its own health advisory for the U.S.,