City Health Information (CHI)

City Health Information (CHI) clinical bulletins provide evidence-based information for health care providers in New York City.

Previous Issues





For issues before 2019, or to search by keyword, visit the CHI Archives.

About CHI

The free CHI bulletins are published electronically about 10 times a year, offering timely, practical guidance on important public health topics. The interactive electronic format allows readers easy access to Health Department guidelines and resources.


Subscribe to receive CHI bulletins by email.

When you register for your free subscription, you will be asked for basic information that will help us tailor our content for you. This information will not be shared outside of the Health Department.