With the COVID-19 pandemic still raging and the vaccination program still rolling out, there continues to be an immediate need for public health officials to better understand the mechanisms behind the deep and perpetual divide over face masks in America. Using a random sample of Americans...

Many Americans fail to get life-saving vaccines each year, and the availability of a vaccine for COVID-19 makes the challenge of encouraging vaccination more urgent than ever. We present a large field experiment (N=47,306) testing 19 nudges delivered to patients via text message and designed to...

Aim: First aim is to measure the magnitude of stress due to COVID-19 among Healthcare workers (HCWs). Secondly, personal and professional factors associated to their psychological health will be explored. Thirdly, stress levels of front-line and second-line HCWs will be comparedMethod: This...