A warehouse manager arranges a shelf containing cartons of Tamiflu, which contains the antiviral drug oseltamivir, for packing at a pharmaceuticals storage facility in Singapore March 21, 2007. The ASEAN has picked Singapore to be the region's centre for stockpiling oseltamivir as part of preparations for a possible human influenza pandemic. According to local media, Dr Kamnuan Ungchusak, director of Thailand's Epidemiology Bureau said Singapore was considered the most appropriate location for the central bank for the drug because the H5N1 strain of bird flu had not been found there.