CHICAGO (CBS) — California and Puerto Rico are the only two places off the Chicago Department of Public Health‘s (CDPH) travel advisory list.

Last week, Connecticut and the District of Columbia, were taken off Chicago’s Travel Advisory list but they are now back on.

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“The states on the Travel Advisory might change from week to week, but one thing that does not change is the fact that if you want to travel freely without needing to get tested or self-quarantine for a week, get vaccinated,” said CDPH Commissioner Dr. Allison Arwady. “Being fully-vaccinated when you travel is like having a TSA pre-check – it’s not a free pass, and you still need to be careful and adhere to all the safety guidelines to keep yourself and others well, but it certainly makes everything easier and you’ll have less to worry about.”

City health officials recommend those who are unvaccinated who travel out of state to quarantine for at least seven days once they return to the city.

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The city’s health department said “all individuals regardless of vaccination status should wear a mask on planes, buses, trains, and other forms of public transportation traveling into, within, or out of the United States and while indoors at U.S. transportation hubs such as airports and stations.”

CDPH also listed the following recommendations:

  • In Chicago, wear a mask in all indoor public settings, regardless of vaccination status.
  • Avoid crowds as much as you can and wash your hands often or use hand sanitizer (with at least 60% alcohol).

After traveling, those who aren’t vaccinated and going to a high risk state (in orange) show do the following:

  • Get tested with a viral test 3-5 days after travel AND stay home and self-quarantine for a full 7 days.
  • Even if you test negative, stay home and self-quarantine for the full 7 days.
  • If your test is positive, isolate yourself to protect others from getting infected.
  • If you don’t get tested, stay home and self-quarantine for 10 days after travel.
  • Avoid being around people who are at increased risk for severe illness for 14 days, whether you get tested or not.
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CBS 2 Chicago Staff