▁in ▁Vietnam ▁at ▁this ▁time ▁were ▁meas les ▁and ▁pol io . ▁After ▁arriv ing ▁in ▁Vietnam , ▁the ▁United ▁States ▁Military ▁conducted ▁the ▁" Mil it ary ▁Public ▁Health ▁Ass istance ▁Project ". ▁This ▁public ▁health ▁program ▁was ▁a ▁joint ▁United ▁States ▁Military ▁and ▁Government ▁of ▁Vietnam ▁concept ▁to ▁create ▁or ▁expand ▁public ▁medical ▁facilities ▁throughout ▁South ▁Vietnam . ▁Local ▁villages ▁in ▁Vietnam ▁were ▁in oc ulated . ▁The ▁United ▁States ▁military ▁screen ed ▁patients , ▁disp ensed ▁medic ation , ▁distributed ▁cl othing ▁and ▁food , ▁and ▁even ▁passed ▁out ▁propag anda ▁such ▁as ▁com ic ▁books . ▁ ▁UK , ▁pert uss is ▁( 1 9 7 0 s – 8 0 s ) ▁In ▁a ▁ 1 9 7 4 ▁report ▁as cri bing ▁ 3 6 ▁re actions ▁to ▁who op ing ▁c ough ▁( pert uss is ) ▁v acc ine , ▁a ▁prominent ▁public - he alth ▁academic ▁claimed ▁that ▁the ▁v acc ine ▁was ▁only ▁margin ally ▁effective ▁and ▁question ed ▁whether ▁its ▁benefits ▁out we igh ▁its ▁ris ks , ▁and ▁extended ▁television ▁and ▁press ▁coverage ▁caused ▁a ▁sc are . ▁V acc ine ▁u pt ake ▁in ▁the ▁UK ▁decre ased ▁from ▁ 8 1 % ▁to ▁ 3 1 %, ▁and ▁pert uss is ▁ep ide m ics ▁followed , ▁leading ▁to ▁the ▁death s ▁of ▁some ▁children . ▁Main stream ▁medical ▁opinion ▁continued ▁to ▁support ▁the ▁effect iveness ▁and ▁safety ▁of ▁the ▁v acc ine ; ▁public ▁confidence ▁was ▁restored ▁after