Throughout the 20th Century, medical science managed to make significant progress against pathogenic bacteria and the diseases they cause through the use of antibiotics.
Hambiswiritano, hi va 1800, vativi va sayense va kume leswaku switsongwatsongwana ni tibaktheriya hi swona swi vangaka mavabyi yo tala naswona va hetelele va kume tindlela leti nga pfunaka leswaku hi tisirhelela eka mavabyi.