(Portland, OR)  --  Children in school or childcare need to have up-to-date immunizations by February 21st, or they may be kept out of school.  February 21st is School Exclusion Day this year in Oregon.  State law requires all children in public and private schools, Head Start and certified childcare facilities to show documentation their immunizations are complete.  Last year, more than 26-thousand letters were sent to parents reminding them to get their kids immunized.  County health departments offer vaccines for people who can't pay or don't have health insurance.  Call 211 to find out more.