The physical presence waiver, issued under the Families First Coronavirus Response Act of 2020, allowed WIC state and local agencies to remotely certify participants into WIC during the COVID-19 pandemic. This report summarizes data collected from surveys of WIC state and local agencies about the use of the physical presence waiver and the impact it had on WIC services.

The USDA Food and Nutrition Service’s 1990 WIC Medicaid Study I found that prenatal WIC participation was associated with improved birth outcomes and savings in Medicaid costs. A 2003 study by Buescher, et al., found that WIC participation during childhood was associated with increased health care utilization and Medicaid costs, and concluded that WIC enhanced children’s linkages to the health care system.

This study—authorized by the 2010 Child Nutrition Act—tests innovative strategies to end childhood hunger and food insecurity. 

In 2006, FNS asked the Institute of Medicine to review the WIC food packages. The IOM proposed major changes to improve nutrition and encourage breastfeeding but also expressed the concern that changes related to partial breastfeeding may have unintended consequences. The IOM recommended that FNS conduct an impact study evaluating the birth month breastfeeding changes to the WIC food packages. 

The Prime Vendor Pilot was conducted as part of USDA's Business Process Re-engineering efforts to improve the administration and operation of the Food Distribution Program on Indian Reservations. Under this pilot, USDA partnered with the Department of Defense, which had an existing contract with commercial vendors and distributors.

This study is the analysis of the relationship between prenatal participation in the Special Supplemental Food Program for Women, Infants, and Children (WIC) and infant mortality among Medicaid newborns.

This study is an analysis of very low birthweight among Medicaid newborns and the effect of prenatal WIC participation on the likelihood of very low birthweight.

The primary objective of this study was to determine the savings in Medicaid costs for newborns and their mothers during the first 60 days after birth resulting from participating the Special Supplemental Food Program for Women, Infants, and Children (WIC) during pregnancy.

This publication is a practical guide for WIC administrators to design and implement program evaluations.