There are now 35 high-risk states on New York’s travel advisory list,which requires visitors from states with high COVID-19 infection rates to self-isolate for 14 days.

Delaware, Maryland, Ohio, and West Virginia were added to the list. Puerto Rico and the U.S. Virgin Islands were removed.

To make the list, states must currently have a COVID-19 positive rate higher than 10 per 100,000 people over a seven-day rolling average.

The mandatory quarantine applies to everyone traveling to and from New York state for more than 24 hours. If someone fails to do so, New York can fine them $2,000. People entering the state must also fill out a travel form.