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research on alternatives to thiomersal is continuing, and it is important that such research be supported, particularly as current alternatives such as phenoxyethanol are available but are generally less effective than thiomersal.
硫柳汞的替代品方面的研究仍在继续，有必要对这类研究予以支持，尤其是现有替代品如苯氧乙醇虽然可以，但通常不如硫柳汞有效的情况。
making vaccines thiomersal free would require either using alternative preservatives (2-phenoxyethanol, phenol and benzethonium chloride are preservatives used in a small number of other licensed vaccines) or using preservative-free single dose vaccines exclusively.
制造无硫柳汞的疫苗将需要使用替代防腐剂（2-苯氧乙醇、苯酚和苄索氯铵等防腐剂用于少数其他获批疫苗），或仅使用不含防腐剂的单剂量疫苗。