HealthCoronavirus Actions Facebook Tweet Email KNXV: Arizonans Volunteer For Phase Three COVID-19 Vaccine Testing A large study is now underway across the country to see if a COVID-19 vaccine is effective. Prev Next By: Scripps News Group Posted Most Recent Police say more arrests coming in death of Mississippi woman Tasia Fortune AP via Scripps News Group Interactive: Holiday flights are already more expensive and could rise even more Top AI companies have discussed creating their own standards body Hadas Gold Health Feeling down? A short, easy run may help Justin Boggs Interactive: Who takes supplements? Survey reveals America’s $210 billion habit America's supplement habit: 80 percent of adults are taking at least one Kelly Broderick Join the 'Morning Rush' team every weekday at 7 a.m. ET About Scripps News Download the Scripps News app.