Christensen E A, Mordhorst C H, Jepsen O B
Control Department, Statens Seruminstitut, Copenhagen, Denmark.
J Hosp Infect. 1992 Apr;20(4):301-4. doi: 10.1016/0195-6701(92)90008-a.
At a vaccination centre 200 emptied multidose vials were tested for sterility. All vials had contained 10 doses of a vaccine without added preservative. None of the 200 vials was culture-positive. The vaccine did not comply with the pharmacological test for effectiveness of antimicrobial preservatives.
