As the Covid-19 pandemic overwhelms hospitals and shuts down American cities, it has also placed new demands on janitors and specialized cleaners. In New York City, it's Reuven Noyman's job to clean up after the coronavirus...
Whenever there’s a new outbreak, scientists rush to calculate a number called R 0 , or R-naught. Why? It’s been a critical part of the scientific effort to understand just how transmissible the new virus is...
February 5, 2020 — Jeffery DelViscio, Tanya Lewis and Amanda Montañez