Clackamas: Thursday: 09/21/2017 3:00pm – 7:00pm Sunday 10/01/2017 9:00am – 12:00pm Happy Valley: Tuesday 09/26/2017 5:00pm – 7:00pm Tuesday 10/17/2017 5:00pm – 7:00pm Meridian Park: Tuesday 10/04/2017 5:00pm – 7:00pm NE Portland: At this time there are no specific Flu Clinic dates, however patients can call to schedule a “flu vaccine only” visit.