The states of NY, NJ and CT had previously issued a joint travel restriction for visitors from states with increasing cases of COVID-19.
09 Jul, 2020 TRAVEL ADVISORY AND SELF QUARANTINE
These restrictions require self quarantine for 14 days. On July 7th, this list was expanded to 19 states. These are all of the states to which the travel restriction applies: Alabama, Arkansas, Arizona, California, Delaware, Florida, Georgia, Idaho, Iowa, Kansas, Louisiana, Mississippi, Nevada, North Carolina, Oklahoma, South Carolina, Tennessee Texas and Utah.