APHL 2019 is a four-day conference of more than 600 professionals that addresses public health laboratory issues, trends and technologies relative to emerging infectious disease, environmental health, emergency preparedness, informatics, food safety, newborn screening, global health and more. It consists of a member assembly, plenary sessions, general and breakout sessions, roundtables, posters and exhibits. This conference, APHL's annual membership meeting, is open to anyone with an interest in the work of public health laboratories.