« All Events This event has passed. World PI Week: April 22-29 April 22, 2019 - April 29, 2019 « CSI 2019 Scientific Meeting AAI Annual Meeting 2019 » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Start: April 22, 2019 End: April 29, 2019 Website: https://primaryimmune.org/world-pi-week-april-22-29