Tweet April 19, 2015 at 08:43AM

#a5 is a photo for #handhygiene @WHO #5Moments #5May Unique time #Iran to promote #cleanhands @APIC @IPS_Infection http://ift.tt/1DVSg6W

— Prof Didier Pittet (@DidierPittet) April 19, 2015

via Twitter http://ift.tt/1iA842H