ico ides ▁eggs ▁are ▁extremely ▁resist ant ▁to ▁strong ▁chemical s , ▁des ic cation , ▁and ▁low ▁temper atures . ▁The ▁eggs ▁can ▁remain ▁vi able ▁in ▁the ▁soil ▁for ▁several ▁months ▁or ▁even ▁years . ▁E gg s ▁of ▁A . ▁lum br ico ides ▁have ▁been ▁identified ▁in ▁ar che ological ▁cop rol ites ▁in ▁the ▁Amer icas , ▁Europe , ▁Africa , ▁the ▁Middle ▁East , ▁and ▁New ▁Zealand , ▁the ▁oldest ▁ones ▁being ▁more ▁than ▁ 2 4 , 0 0 0 ▁years ▁old . ▁ ▁In fe ctions ▁▁ ▁In fe ctions ▁with ▁these ▁par as ites ▁are ▁more ▁common ▁where ▁san itation ▁is ▁poor , ▁and ▁raw ▁human ▁f ec es ▁are ▁used ▁as ▁fert il izer . ▁ ▁Sym pt oms ▁ ▁O ften , ▁no ▁sympt oms ▁are ▁presented ▁with ▁a ▁minor ▁A . ▁lum br ico ides ▁in fection , ▁the ▁in ev itable ▁consequence ▁being ▁the ▁e . g . ▁once ▁a ▁year ▁passage ▁of ▁such ▁clearly ▁visible ▁w orm ( s ) ▁on ▁close ▁ins pection . ▁ ▁In ▁the ▁case ▁of ▁bad ▁in fe ctions ▁sympt oms ▁commonly ▁include ▁blo ody ▁s put um , ▁c ough , ▁fe ver , ▁ab dom inal ▁dis com fort , ▁int est inal ▁ul cer ( s ), ▁as ▁well ▁as ▁a ▁less ▁commonly ▁missed ▁passing ▁of ▁the ▁quite ▁long ▁w orm s . ▁As c arias is ▁is ▁the ▁most ▁common ▁cause ▁of ▁L öff ler ' s ▁synd rome ▁world