Massachusetts is one of four states on track to contain the coronavirus, while dozens of other states are at risk or have controlled the growth of COVID, according to a model developed by the Georgetown University Center for Global Health Science and Security, Stanford University Clinical Excellence Research Center, and Grand Rounds. The COVID Act Now model was developed by technologists, epidemiologists, health experts, and public policy leaders, and attempts to predict how a disease will evolve in a population.

Last updated on June 29, it lists Massachusetts, New York, New Jersey and Connecticut as being on track to contain the coronavirus by virtue of its infection rate, positive test rate, intensive care unit availability and ability to perform contact tracing. On the opposite end of the model are Florida, South Carolina, Alabama, Arizona and Missouri, which are all considered to be dealing with an active or imminent outbreak. Nineteen other states, including Texas, are considered at risk.