▁were ▁found ▁in ▁human ▁fa ec es ▁by ▁Henry ▁R ans om ▁in ▁England ▁then ▁this ▁was ▁described ▁in ▁the ▁literature ▁two ▁years ▁later ▁by ▁Cas imir - Jose ph ▁D ava ine ▁in ▁France . ▁Att empt s ▁to ▁inf ect ▁animals ▁by ▁feed ing ▁them ▁eggs ▁were ▁un success ful . ▁In ▁ 1 8 8 6 , ▁Salv atore ▁Cal and ru c cio ▁in ▁Italy ▁successfully ▁inf ected ▁a ▁boy ▁to ▁whom ▁he ▁had ▁given ▁ 1 5 0 ▁eggs . ▁Batt ista ▁Gr ass i ▁published ▁this ▁information ▁without ▁giving ▁any ▁acknowled g ement ▁to ▁Cal and ru c cio . ▁Development ▁was ▁thought ▁to ▁occur ▁directly ▁within ▁the ▁bow el ▁l umen ▁but ▁in ▁Francis ▁Stewart ▁in ▁Hong ▁Kong ▁in ▁ 1 9 1 6 ▁fed ▁eggs ▁to ▁r ats , ▁then ▁later ▁m ice , ▁and ▁found ▁inf ect ive ▁lar va e ▁in ▁the ▁fa ec es ▁and ▁in ▁the ▁l ungs ▁but ▁no ▁m ature ▁w orm s . ▁In ▁ 1 9 1 8 , ▁S ada o ▁Y osh ida ▁in ▁Japan ▁in ▁ 1 9 1 8 ▁ing ested ▁lar va e ▁recovered ▁from ▁the ▁tra che a ▁of ▁a ▁gu inea ▁p ig ▁ ▁then ▁found ▁eggs ▁in ▁his ▁own ▁st ools ▁ 7 6 ▁days ▁later . ▁In ▁ 1 9 2 2 , ▁Sh imes u ▁Ko ino ▁ing ested ▁ 2 , 0 0 0 ▁As car is ▁lum br ico ides ▁eggs , ▁found ▁lar va