In public health emergencies or crises, effective communication is paramount. "The Role of the Public Information Officer in Public Health Responses" is an essential e-learning course designed for public information officers (PIOs), emergency managers, local public health directors, elected officials, and others involved in crisis communication. This course underscores the importance of the PIO's involvement from the onset of a public health response, highlighting how their contributions can prevent critical communication errors that may derail response efforts, damage reputations, or even result in loss of lives.