Outbreak of the coronavirus disease (COVID-19) in Massachusetts
John Rousseau, Head of Engineering, models a mask developed by MasksOn.org, a non-profit organization donating full-face snorkel masks which have been retrofitted into reusable, sanitizable emergency face masks to protect front-line healthcare workers amid the coronavirus disease (COVID-19) outbreak, in Haverhill, Massachusetts, U.S., April 16, 2020. REUTERS/Brian Snyder