Tus yuam sij rau qhov mob txo qis ntawm cov nquav nyob hauv nws cov qaub ncaug

Maxson tau hais tias tus yuam sij rau" qhov mob txo" ntawm leech lus dag hauv nws cov qaub ncaug, vim tias nws cov qaub ncaug muaj ntau cov tshuaj tiv thaiv, uas tuaj yeem nkag rau hauv tib neeg cov ntaub so ntswg. Desser, tus xibfwb ntawm kab mob bacteriology ntawm University of Toronto hauv tebchaws Canada, tau hais tias thaum leeches tom ib tus neeg, lawv tso tawm cov tshuaj tua kab mob, thiab qee cov tshuaj no muaj qhov ua rau txo qis mob thiab yog sib npaug nrog cov tshuaj tua kab mob.