Sanofi-Pasteur recently announced a recall of 4 lots of it’s H1N1 vaccine. This is not a safety issue, rather it was discovered in ongoing stability testing that some of the pre-filled H1N1 syringes experienced a slight decrease in vaccine potency. We have removed those affected lots from our supply. Patients do not need re-vaccination if they did indeed receive a dose from these lots. Click on this link for more information:
