Tanya Lewis: Hi, and welcome to COVID, Quickly, a Scientific American podcast series. Josh Fischman: This is your fast-track update on the COVID pandemic. We bring you up to speed on the science ...

Tanya Lewis: Hi, and welcome to COVID, Quickly, a Scientific American podcast series. Josh Fischman: This is your fast-track update on the COVID pandemic. We bring you up to speed on the science ...

Reasons for mask hesitancy and doubt include conflicting data from health officials, political biases and cultural unfamiliarity (studies showed mask-wearing was lower in countries where face masking ...

After questioning the value of general mask wearing early in the COVID-19 pandemic, the Centers for Disease Control and Prevention (CDC) decided the practice was so demonstrably effective that it ...

In a so-called natural experiment, two school districts in Boston maintained masking after mandates had been lifted in others, enabling a unique comparison. By Roni Caryn Rabin Masks have been a ...