Overview
- The advisory spans Europe, Africa, Asia and the Middle East, with destinations such as the United Kingdom, Spain, Germany, Finland, Poland, Gaza and Israel included.
- Adults who completed their routine polio vaccine series may receive a single lifetime booster before travel to places where poliovirus is circulating.
- Sewage testing has detected poliovirus in multiple locations, indicating quiet circulation without many diagnosed cases.
- CDC guidance emphasizes rigorous hand hygiene and safe food and water practices to lower exposure risk while abroad.
- News outlets differ on the country count, reporting 31 or 32, and officials note the list may change as surveillance updates are issued.