#$%^&*AU2020201039A120200924.pdf#####ABSTRACT Method of preparing containers for blood-derived products 5 Method of preparing containers for blood-derived products which comprises at least a filling phase of the blood-derived product containers with the blood-derived product; a viral inactivation phase of the blood-derived product containers; and a quality control phase for detecting possible defects in the blood-derived product containers; wherein the viral inactivation phase is carried out by placing the blood-derived product containers in contact with 10 steam at sub-atmospheric pressure in a chamber adapted for that purpose.