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Story summary
- The U.S. Centers for Disease Control and Prevention (CDC) warns poliovirus is circulating in more than 30 countries.
- The alert coincides with spring break travel, urging travelers to be up-to-date on polio vaccinations.
- The CDC notes that proper handwashing helps prevent the spread of poliovirus, which can transmit via contaminated food or water.
- Adults traveling to affected areas should receive a lifetime poliovirus booster.
