“…The medical community has accepted as safe the vaccine for HBV, a purified, genetically engineered single antigen 4 . However, reports of immunological reactions after HBV vaccination have emerged in general medicine (myelitis, neuritis, vasculitis and multiple sclerosis) 4 and in dermatology literature (lichen planus 1,3,5–10 lichenoid reactions 11,12 granuloma annulare 2 or necrobiotic granuloma 13 ). We should not forget that this vaccination still has a very favourable benefit/risk ratio, as each year all over the world there are two million deaths caused by cirrhosis or primary liver cancer in 250 million of chronic carriers of HBV 2…”