Executive Office of the President: “Annual Report to Congress on White House Office Personnel.”
Twitter: @maggieNYT, @DrTomFrieden, Oct. 5, 2020.
CNN.com: “Here’s who has tested positive and negative for Covid-19 in Trump’s circle.”
Forbes: “National Security Council Staff Told To Wear Masks, White House Rules Still Make Them Optional.”
Business Insider: “There are over 300 staffers Trump doesn’t choose when he enters the White House — and they’re the ones he’ll see every day.”
WhiteHouse.gov: “The White House Building.”
Ben’s Guide to the U.S. Government: “White House: 1792 (construction began).”
CDC.gov: “Scientific Brief: SARS-CoV-2 and Potential Airborne Transmission.”
The New York Times: “Many White House officials stay home as outbreak grows, and concerns rise for spread of cases in Washington, D.C.,” “Contact tracing efforts are restricted to the two days before Trump’s diagnosis.”
Amesh Adalja, MD, senior scholar, Johns Hopkins Center for Health Security.
William D. Ristenpart, PhD, professor of chemical engineering, University of California, Davis.