Tam sim no dag dag dag nyob rau hauv peb lub neej tau ua ntau dua, tab sis ntau tus phooj ywg tsis paub tseeb tias cov me nyuam mus ua si ntawm cov nyom, ntshai tias nws yog unsanitary, vulnerable to infection.
Tam sim no ntau qhov chaw yog siv dag cij, tab sis nws ua rau peb cov niam txiv ntau dua kev txhawj xeeb, vim lawv xav tias nws tau tshwm sim ntau dua rau lawv cov me nyuam, qhov tseeb yog dab tsi?
Cov khoom siv dag siv tshuaj siv tshuaj. Qhov no ua tau zoo li cov niam txiv tau txhawj xeeb txog. Tej zaum koj tsis paub tias cov tshuaj siv nyob rau hauv cov khoom phom tuaj dag tsis muaj mob. Nws cov khoom xyaw tseem ceeb yog PP thiab PE-ib hom yas.
Cov ntaub ntawv raw li tau raug kuaj, nruj tsis zoo thiab tsis muaj paug, thiab ntau yam kev soj ntsuam tau ua tau zoo thoob ntiaj teb.
Cov nyom lawd kuj tuaj yeem siv tau zoo heev rau kev tiv thaiv cov kab mob los ntawm multiplying, yog li ntawd muaj cov kab mob tsawg kawg ntawm cov khoom nyom.
Thiab nws tseem tuaj yeem tiv thaiv tib neeg thiab hauv av rau tib neeg tiv tauj, tab sis kuj yog ib tug zoo tiv thaiv ntawm cov av.
