Increase in respiratory illnesses globally, 2023
CDC is monitoring respiratory illness around the world. Some countries have reported elevated levels of respiratory illness activity. Respiratory illnesses that are circulating include influenza, COVID-19, respiratory syncytial virus (RSV) infection, and Mycoplasma pneumoniae infection.
Actions you can take to help protect yourself and others when traveling include: vaccination, masking, physical distancing, and washing hands regularly. If sick, do not travel and get tested. See more information about vaccination.
Routine Vaccines
It’s important to be up to date on recommended routine vaccines prior to travel, including Flu, RSV and COVID-19.
Learn more
Learn about CDC’s Traveler Genomic Surveillance Program that detects new COVID-19 variants entering the country.
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See the full list of Travel Health Notices, including:
- Updated Diphtheria in Nigeria December 21, 2023
- Updated Diphtheria in Niger December 21, 2023
- Diphtheria in Guinea December 07, 2023
Level 2 - Practice Enhanced Precautions
- Dengue in Africa and the Middle East December 14, 2023
- Dengue in the Americas December 14, 2023
- Dengue in Asia and the Pacific Islands December 14, 2023