How It Works WHO chief urges treaty and ‘lot of work’ Tedros Adhanom Ghebreyesus closed out the World Health Assembly with a warning against complacency and an appeal for a global pandemic treaty. By Arete News - May 31, 2021 People gather at Rome's Piazza di Spagna in March (AN/Gabriella Clare Marino) You need to login to view this content. Please Login. Not a Member? Join Us