How many U.S. states will have an infection rate of 1.0 or greater for COVID-19 as of 31 March 2021?
The infection rate (also known as Rt) "is the estimated number of new people each COVID-positive person will infect" (COVID Act Now - Glossary). The outcome will be determined using data from covidactnow.org at approximately 5:00PM ET on 31 March 2021. See the table "Compare," set to "States," under "INFECTION RATE." As of 19 January 2021, 19 states had an infection rate at or above a 1.0. For the purposes of this question, the District of Columbia is considered a state.