What Is Old Is New Again: Tips and Tricks for Recognizing and Treating Vaccine-Preventable Diseases of Childhood Presenting to the Emergency Department.

Across the globe, there has been a resurgence in vaccine-preventable diseases reflecting declining immunity, vaccine hesitancy and gaps in vaccine coverage. Vaccination was seen as one of the most successful public health interventions of the 20th century-as a consequence, many vaccine-preventable diseases such as measles and diphtheria were relegated to textbooks. With the re-emergence of vaccine-preventable diseases (VPDs), it is an urgent priority to equip emergency physicians with the knowledge to rapidly identify and manage potential cases and strengthen public health measures to curb transmission.