translation.ar: نحن في مدينة أكثر من 90% من سكانها لديهم حصانة ضد الحصبة. أي أنهم كان لديهم المرض وكانت توجد حصانة طبيعية ضده.
translation.en: We are in a city where more than 90 percent of the population has defenses against the measles, which means that they either had the disease, survived, and developed natural defenses; or that they had been immunized against measles.