Why Haitians Come To The U.S.; Ventilation In The Workplace

Francesca Momplaisir, a native Haitian and author of the novel "My Mother's House" talks about what it's like for Haitians to flee their country. And, experts agree that proper ventilation can help prevent COVID-19 spread, but they also warn that not all the technologies available are useful, or even safe. So what should offices do? Harvard University's Joseph Allen talks about filters, ionizers, windows and more.