.@GabeGutierrez speaks with Harvard Professor Dr. Ashish Jha about how the long wait for COVID-19 test results may negatively impact the fight against the coronavirus.

More tonight on @NBCNightlyNews. pic.twitter.com/SkX7bbVCz2

— NBC Nightly News with Lester Holt (@NBCNightlyNews) July 13, 2020