Safety Follow-up of a Dengue Vaccine When Administered Concomitantly with a Yellow Fever Vaccine in Healthy Toddlers in Colombia.

This was a safety follow-up study conducted in 382 toddlers in Colombia who had last received dengue vaccine (CYD-TDV) 2 years before. A review of local municipal epidemiologic reports for dengue cases was also conducted for ~28 months postimmunization. One case of clinical dengue was reported; it was neither considered as severe nor related to the study vaccine.