“…Santucci et al [91] have demonstrated that contact allergy to Thimerosal is caused by the ethyl mercury radical and that it is indistinguishable in its allergic reaction from methyl mercury. Goncalo et al [92] also noted that allergy to Thimerosal was mainly related to the mercurial component. No allergy was seen to the intact Thimerosal molecule although some allergic reactions may be the result of the thiosalicylic acid component.…”