Annual report of the Public Health Department / Zanzibar Protectorate.
- Zanzibar. Public Health Department.
- Date:
- [1931]
Licence: Public Domain Mark
Credit: Annual report of the Public Health Department / Zanzibar Protectorate. Source: Wellcome Collection.
11/90 page 9
![May, averaging for the two islands 18.58 inches in April and 27.4 inches in May. Of the cases returned with the type of malaria defined, 1,198 were tertian, 363 sub-tertian and 14 quartan as compared with 1,365 tertian, 205 sub-tertian and 11 quartan in the previous year. Black-water Fever.—Nine cases of blackwater fever, three ending fatally, were treated by Government Medical Officers. The number of cases with deaths, treated by Government Medical Officers during each of the past ten years, was as follows:— 1922. 1923. ]924. 1925. 192G. 1927. 1928. 1929. 1930. 1931. Cases 9 6 4 3 9 3 15 13 8 9 Deaths 1 2 2 1 2 — 3 4 3 3 In addition to the above, one death from blackwater fever was registered by private medical practitioners for each of the four years 1928-31. The following is a summary of the information obtained from the reports on the nine cases treated by Government Medical Officers. Sex.—Eight males; one female. Age.—6, 9, 15, 16, 26, 30, 32, 34, 36. Race.—British Indian eight, Goan one. Occupation.—Of the six adults, two wrere clerks in Government service, three merchants and one a barber. Locality.—Two contracted the disease in Zanzibar Island and %/ seven in Pemba. Both the Zanzibar patients, resided in the town. Of the seven Pemba patients, three resided in Chake Chake, three in Mkoani and one in Kengeja. Period of Residence.—Five had resided on the East Coast the whole of their lives, one for one year, one for twTo and a half years, one for five vears and one for twelve years. «y / t. i/ Previous attacks of Malaria.—Numerous in all cases. Previous attacks of Blackwater Fever.—None had any certain history. Seasonal Incidence.—The cases occurred in May (1), August (3), September (2), and October (3). Cause of Attack.—In all cases, where any definite information could be obtained, there had been numerous attacks of malaria inadequately treated. Dengue.—One case was returned last year. Since an epidemic with 447 cases in 1925, there have been recorded one case in 1926, one in 1927, three in 1928, 10 in 1929, one in 1930 and one in 1931. Filariasis.—The returns show 218 cases as compared with 300 in 1930 and 331 in 1929. These figures however do not include many conditions shown under other heads thought to be for the most part of filarial origin. Of these the following were recorded last year.— lymphangitis 217, lymphadenitis 392, hydrocele 403, varicocele 17, elephantiasis 190, inguinal hernia 399 and deep seated abscesses 263;](https://iiif.wellcomecollection.org/image/b31479789_0011.jp2/full/800%2C/0/default.jpg)
