Hi Liz, Thanks for your message of Tue, 27 Nov 2001, "immunocompromised health care workers and hepatitis B status". The advice from our microbiologists, which I believe is more or less official though not yet in the green book, is that if a person has a proven satisfactory response to the primary course, you only need to boost at five years - no further testing is necessary. >Dear Listi would be grateful for advice on current practice regarding >immunocompromised healthcare workers and hepatitis B status. >Do you do serial testing ( how often) following evidence of a good >response to immunisation? > > >kind regards > >Liz Murphy -- Geoff Email [log in to unmask]