Before revision: During the COVID-19 pandemic in the United States, the Broad Institute ran laboratory tests for the virus for about 100 colleges and universities in the northeastern U.S. As of September 2020, the Broad was processing one out of every 20 Covid-19 tests in the nation.
After revision: During the COVID-19 pandemic in the United States, the Broad Institute ran laboratory tests for the virus for about 100 colleges and universities in the northeastern U.S. As of September 2020, the Broad was processing one out of every 20 COVID-19 tests in the nation.