How do you find your old vaccine records? Is a child protected if they haven't had all their shots? Who's at risk, and does polio spread in pools? Here’s a guide to facing a polio outbreak in 2022.

Start here: Obtain childhood immunization records. The first step is to obtain a baseline immunology report to see which standard childhood vaccines you had (or did not have).

The answer depends on when you were born, your vaccine records and whether you plan to travel internationally. Updated March 13, 2025. 7 min. A nurse prepares a measles, mumps and rubella vaccine.