OHA is alerting health care workers to a detection of measles found in a sewage sample through routine wastewater testing in Marion County. Anyone who received a measles vaccination at any time in their life has a very low risk of getting measles. But the disease is highly contagious, and the risk is much higher for anyone who has not received measles vaccination and has been exposed to the disease, unvaccinated pregnant people, infants younger than 1 year old and people with weakened immune sys