Mathematica partnered with the National Association of Health Data Organizations in April 2020 to create the “COVID-19 Health Data Users Group.” The Data Users Group was developed to address the learning community needs related to the pandemic. Within each session, health data experts from various settings share their knowledge with group members and discuss experiences related to COVID-19.We are pleased to announce the next session of our online learning collaborative series, the “COVID-19 Health Data Users Group.” Experts will share their knowledge with group members on March 26 at 12 p.m. ET.Register for Session 8 Using and Understanding COVID-19 Vaccine Data: March 26, 2021, at 12 p.m. ETThe COVID-19 Healthcare Data Users Group is an educational partnership between NAHDO and Mathematica and is pleased to present the next session in our series related to COVID-19 data. This session will feature presentations and a roundtable discussion with experts discussing using and understanding COVID-19 vaccine data.