▁the ▁publication ▁of ▁a ▁national ▁re ass ess ment ▁of ▁v acc ine ▁effic acy . ▁V acc ine ▁u pt ake ▁then ▁increased ▁to ▁levels ▁above ▁ 9 0 %, ▁and ▁disease ▁inc idence ▁decl ined ▁dram atically . ▁ ▁Sweden , ▁pert uss is ▁( 1 9 7 9 – 9 6 ) ▁ ▁In ▁the ▁v acc ination ▁mor ator ium ▁period ▁that ▁occurred ▁when ▁Sweden ▁susp ended ▁v acc ination ▁against ▁who op ing ▁c ough ▁( pert uss is ) ▁from ▁ 1 9 7 9 ▁to ▁ 1 9 9 6 , ▁ 6 0 % ▁of ▁the ▁country ' s ▁children ▁contract ed ▁the ▁disease ▁before ▁the ▁age ▁of ▁ 1 0 ; ▁close ▁medical ▁monitoring ▁kept ▁the ▁death ▁rate ▁from ▁who op ing ▁c ough ▁at ▁about ▁one ▁per ▁year . ▁ ▁Netherlands , ▁meas les ▁( 1 9 9 9 – 2 0 0 0 ) ▁ ▁An ▁out break ▁at ▁a ▁religious ▁community ▁and ▁school ▁in ▁the ▁Netherlands ▁resulted ▁in ▁three ▁death s ▁and ▁ 6 8 ▁hospital izations ▁among ▁ 2 , 9 6 1 ▁cases . ▁The ▁population ▁in ▁the ▁several ▁provinces ▁affected ▁had ▁a ▁high ▁level ▁of ▁imm un ization , ▁with ▁the ▁exception ▁of ▁one ▁of ▁the ▁religious ▁denomin ations , ▁which ▁tradition ally ▁does ▁not ▁accept ▁v acc ination . ▁Nin ety - five ▁percent ▁of ▁those ▁who ▁contract ed ▁meas les ▁were ▁un v acc in ated . ▁ ▁UK ▁and ▁Ireland , ▁meas les ▁( 2