HAFFKINE'S OBSERVATIONS 



187 



He reached Calcutta in March 1893, an< ^ at tne 

 request of Mr Hankin * was invited to Agra ; here, 

 in April, he vaccinated over 900 persons, including 

 many English officers. From Agra to Aligarh ; 

 and from Aligarh he was asked to more places than 

 he could visit. In 1895 his health failed, and no 

 wonder ; and he came back to Europe for a short 

 time : — 



" My actual work in India lasted twenty-nine 

 months, between the beginning of April 1893 a °d 

 the end of July 1.895. During this period the anti- 

 cholera vaccination has been applied to 294 British 

 officers, 3206 British soldiers, 6629 native soldiers, 

 869 civil Europeans, 125 Eurasians, and 31,056 

 natives of India. The inoculated people belonged 

 to 98 localities in the North-West Provinces and 

 Oudh, in the Punjab, in Lower Bengal and Behar, 

 in the Brahmaputra valley, and in Lower Assam. 

 No official pressure has been brought on the popula- 

 tion, and only those have been vaccinated who 

 could be induced to do so by free persuasion. In 

 every locality, efforts were made to apply the 

 operation on parts of large bodies of people living 

 together under identical conditions, in order to com- 

 pare their resistance in outbreaks of cholera with 

 that of non-inoculated people belonging to the same 

 unit of population. This object has been obtained 

 in 64 British and native regiments, in 9 gaols, in 45 

 tea-estates, in the fixed agricultural population of 

 the villages parallel to Hard war pilgrim road, in the 



* Mr Hankin, whose name is had in remembrance by 

 Cambridge men, is Chemical Examiner and Bacteriologist to 

 the North-West Provinces and Oudh, and to the Central 

 Provinces. 



