CORONAVIRUS LATEST: https://t.co/HQK3J6wZjI
— ABC News (@ABC) March 11, 2020
— U.S. cases surpass 1,000; death toll reaches 31.
— Over 1,000 U.S. schools closed due to outbreak.
— TSA confirms three employees have tested positive.
— U.S. "in the beginnings of spread of this disease," health secretary says.