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Quarantine if you have been in close contact (within 6 feet of someone for a cumulative total of 15 minutes or more over a 24-hour period) with someone who has COVID-19, unless you have been fully vaccinated. People who are fully vaccinated do NOT need to quarantine after contact with someone who had COVID-19 unless they have symptoms. However, fully vaccinated people should get tested 5-7 days after their exposure, even if they don’t have symptoms and wear a mask indoors in public for 14 days following exposure or until their test result is negative.
Most people do not require testing to decide when they can be around others; however, if your healthcare provider recommends testing, they will let you know when you can resume being around others based on your test results.
Anyone who has had close contact with someone with COVID-19 should quarantine for 14 days after their last exposure to that person, except if they meet the following conditions: Someone who has been fully vaccinated and shows no symptoms of COVID-19 does not need to quarantine. However, fully vaccinated close contacts should:
Someone who tested positive for COVID-19 with a viral test within the previous 90 days and has subsequently recovered and remains without COVID-19 symptoms does not need to quarantine. However, close contacts with prior COVID-19 infection in the previous 90 days should:
Wearing a mask over your nose and mouth is required in indoor areas of public transportation (including 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. Travelers are not required to wear a mask in outdoor areas of a conveyance (like on open deck areas of a ferry or the uncovered top deck of a bus).
Follow all state and local health recommendations and requirements at your destination, including wearing a mask and staying 6 feet (2 meters) apart from others.
Travelers 2 years of age or older should wear masks in indoor public places if they are: not fully vaccinated
Wash your hands often or use hand sanitizer (with at least 60% alcohol).
You might have been exposed to COVID-19 on your travels. You might feel well and not have any symptoms, but you can still be infected and spread the virus to others. People who are not fully vaccinated are more likely to get COVID-19 and spread it to others. For this reason, CDC recommends taking the following precautions after returning from travel.