If the anti-HBs titre is not greater than 10IU/l, than the series is repeated, preferably with an HBV vaccine from a different manufacturer
, and the person is once again tested for immunity by testing for adequate anti-HBs. (See previous blog, “Got Hepatitis B? Keeping loved ones safe though HBV vaccination” for details)
Fortunately there are other options for those concerned with being an HBV vaccine non-responder.