Where: Allegro Pediatrics - Bothell: 11724 NE 195th St., Suite # 100, Bothell, WA 98011. When: First dose appointments will be Saturday, November 13 and Sunday, November 14 from 8am - 4pm by appointment only. Second dose appointments will be Saturday, December 4 and Sunday, December 5 from 8am - 4pm by appointment only..