IPDG David Simmer's Video Messages
David's June Video Message
David's May Video Message
David's April Video Message
David's March Video Message
David's February Video Message
David's January Video Message
David's December Video Message
David's November Video Message
World Polio Day 2019 Global Update
David's October Video Message
David's September Video Message
David's August Video Message
Crutches for Africa
David's July Video Message