We discuss a case study on how misinformation regarding COVID-19 health outcomes can arise due to confounding. Data from the UK on mortality rates suggest that people who have some level of vaccination and contract the Delta variant of COVID are twice as likely to die than those who are unvaccinated. Age, however, a confounding variable, when…

At every stage since the start of the pandemic, decisions across education and care have been informed by the scientific and medical evidence -- both on the risks of COVID-19 infection, transmission and illness, and on the known risks to children and young people not attending school and college -- balancing public health and education…

This document provides the survey methods appendix that accompanies the study, "Will Students Come Back? A July 2021 Parent Survey about School Hesitancy and Parental Preferences for COVID-19 Safety Practices in Schools. Research Report. RR-A1393-2" (ED615819). The appendix provides information about the sample, survey instrument, and…

A carefully controlled hepatitis B immunization program among the University of Pittsburgh's dental students and faculty resulted in 96 percent of tested recipients having positive protective antibody titers. A direct relationship between age and positive titers emerged, supporting vaccination early in the dental career. (MSE)