Lead medical assistant Lin holds a box of measles, mumps, and rubella (MMR) vaccine vials at the International...
Lead medical assistant Fengmei Lin holds a vial of the measles, mumps, and rubella virus (MMR) vaccine at the International Community Health Services clinic in Seattle, Washington, U.S., March 20, 2019. Picture taken March 20, 2019. REUTERS/Lindsey Wasson