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Incidence of confirmed influenza in pregnant women in Peru was twice as high for those who weren’t vaccinated compared with those who were.

A new Centers for Disease Control and Prevention study confirms that mask use, vaccinations, and boosters reduce the risk of COVID-19 reinfection.

A study co-authored by Abt’s Sebastian Lemire captured the state of the art of evaluation capacity building research, including 20 years of trends and findings.

Agreement between self-reported and medical record COVID-19 vaccination status means relying on self-reported data is a viable research method.

This study of an Opioid Quality Improvement Collaborative can help providers adopt CDC opioid guidelines and improve their prescribing practices.

Abt experts co-authored a study explaining how stakeholders—including individual citizens—can better estimate PFAS blood levels from water concentrations.

A new study shows that low influenza infection rates for pregnant women during the COVID-19 pandemic were consistent with data for the general population.

This report reviews the efforts of Massachusetts and Minnesota to blend their MCOs with an ACO approach to meet Medicaid’s goals.

A study of essential and frontline workers with COVID-19 showed that two or three vaccine doses reduced symptoms, missed work, and the need for medical care.

The Study of Nutrition and Activity in Child Care Settings found that most Child and Adult Care Food Program (CACFP) meals provided required CACFP components.