2-8°C (refrigerator): vials thaw within 1 day, or 20-25°C (room temperature): vials thaw within 1 hour, or 37ºC (e.g. water bath, using aseptic technique, or by warming vials in the hand): vials should be thawed within 10 minutes and must not be left at this temperature for longer than 10 minutes or until fully thawed.