The life span of the threadworm is six weeks, so it is important that you follow the instructions given and any second doses are administered, as this will kill the remaining eggs and prevent re infestation.
--[[User:Kerryflump|Kerryflump]] ([[User talk:Kerryflump|talk]]) [[File:Kerryflump.jpg|64px|link=User:Kerryflump|Kerryflump]] 15:56, 5 May 2013 (UTC)
