translation.en: In cases of primary pulmonary plague, patients become infected by inhaling bacteria-rich aerosols produced by individuals who developed secondary pneumonia in the course of plague severe blood infection.
translation.mt: F’każijiet ta’ pesta pulmonari primarja , il-pazjenti jsiru infettati meta jieħdu man-nifs l-aerosols li huma mimlija batterji li huma magħmula minn individwi li jiżviluppaw pnewmonja sekondarja waqt infezzjoni severa tad-demm minħabba l-pesta.