China mankhwala ophera tizilombo pafakitale yolowera mpweya ndi njira yamphamvu yophera tizilombo toyambitsa matenda yomwe idapangidwa kuti iyeretse ma ventilator m'mafakitale.Imapha majeremusi, mabakiteriya, ndi ma virus, ndikuwonetsetsa kuti makina olowera mpweya ndi abwino komanso aukhondo kuti agwiritsidwe ntchito.Mankhwala opha tizilombo ndi osavuta kugwiritsa ntchito ndipo sasiya zotsalira kapena fungo lililonse.Ndiwotetezeka kwa onse olowera mpweya komanso wogwiritsa ntchito, zomwe zimapangitsa kukhala chisankho choyenera pamafakitale opumira.