Site Sponsors is sponsored by the U.S. Environmental Protection Agency in partnership with Allies Against Asthma, a program of the Robert Wood Johnson Foundation and the Merck Childhood Asthma Network. Inc. (MCAN), a nonprofit organization funded by the Merck Company Foundation.

The Network provides community-based asthma programs a platform for real-time learning that can drive the ongoing improvement of asthma care. By joining (at no cost), you will become a partner in building and maintaining this online Network of communities who together are improving the lives of people with asthma from across the nation.