“…The pruritic nodules, which lasted for many years and caused considerable discomfort, were, in 77% of the cases, associated with hypersensitivity to Al, as demonstrated by an epicutaneous test. Previously, not more than about 100 cases of persistent pruritic nodules at the injection site of Al-adsorbed vaccines had been reported in the literature since 1960, most commonly after diphtheria-tetanus (DT), pertussis and hepatitis B vaccines [1,3,4,5,6,7,8,9,10,11,12,13,14,15,16,18,19].…”