“…This is in accordance with 100 % and 86.12 % infestation levels found in 2004 and 2009 from school girls of Ratchaburi Province, Thailand [16] . This tendency has also been reported many authors in different countries like India [36] , Pakistan [27,38,39] , Malaysia[ 32] , Iran [27,40] , Taiwan [41] , Venezuela [42] , Brazil [43] , Egypt [44] , Turkey [45] and Greece [28] .…”