tokens: Our evaluation of a potential prenatal ZIKV screening programme highlights factors affirming its usefulness , including the importance of Congenital Zika Syndrome as a public health problem and the existence of analogous congenital prenatal screening programmes for STORCH agents ( syphilis , toxoplasmosis , others ( eg , human immunodeficiency virus , varicella - zoster virus , parvovirus B19 ) , rubella , cytomegalovirus , and herpes simplex virus ) .