 ክትባቶች ተሠርተው በሰፊው ጥቅም ላይ እየዋሉ ሲሄዱ ፣ የእነዚህ በሽታዎች መጠን ዛሬ ቀንሷል ፣ አብዛኛዎቹ አብዛኛዎቹ ከሀገራችን ሊጠፉ ነው።
As vaccines were developed and became widely used, rates of these diseases declined until today most of them are nearly gone from our country.