Chicago added 12 states to its travel advisory on Aug. 10, recommending that unvaccinated people entering the city from those areas test negative for COVID-19 or quarantine upon arrival, according to NBC Chicago.
The 12 new states include Idaho, North Carolina, Washington, Oregon, California, New Mexico, Montana, Delaware, New York, Indiana, Wisconsin and Iowa.
The addition brings the total number of states on the advisory to 31, along with two territories.
The list, updated weekly, now includes Alabama, Alaska, Arizona, Arkansas, California, Delaware, Florida, Georgia, Hawaii, Idaho, Indiana, Iowa, Kansas, Kentucky, Louisiana, Mississippi, Missouri, Montana, Nevada, New Mexico, New York, North Carolina, Oklahoma, Oregon, South Carolina, Tennessee, Texas, Utah, Washington, Wisconsin, Wyoming, Puerto Rico and the Virgin Islands.