Third plague pandemic
In this plague, from 1898 to 1908, about six million people died in India. Other major epidemics include the Hong Kong plague and the Northeast plague. In 1894, Swiss-born French bacteriologist Alexandre Yersin successfully isolated Yersinia pestis in Hong Kong for the first time. In 1897, Russian borne French  microbiologist Waldemar Haffkine invented the first human plague vaccine.