Annual medical and sanitary report / Nigeria.

  • Nigeria. Medical Department.
Date:
[1918]
Catalogue details

Licence: Public Domain Mark

Credit: Annual medical and sanitary report / Nigeria. Source: Wellcome Collection.

    18/172 (page 20)
    Blackwater Fever in Europeans. 1907. 1908. 1909. 1910. 1911. 1912. 1913. 1914. 1915. 1916. 1917. 1918. Number of Cases 57 48 31 34 26 23 26 20 11 19 22 29 Caso mortality rate per cent. ... . 11-5 16-6 32-2 20-6 307 17-4 23-0 25-0 18-2 15*8 50-0 13.7 One case of Blackwater Fever, with recovery, is recorded in a native. The prevention of Blackwater Fever is fully summed up in section 22, viz., Quinine Prophylaxis, which is a preventive measure against Malaria and consequently against Blackwater Fever. 24. Trypanosomiasis.—Two cases in Europeans are recorded for 1918; of these one case occurred in a European at Ibadan and one ease was imported from the Northern Provinces. 25. Yellow Fever.—Two cases of Yellow Fever, both fatal, are recorded for 1918; one in a European at Forcados and one in a native at Benin. Yellow Fever cases were reported to have occurred at the following places out of Nigeria One imported case at Freetown, Sierra Leone, in August, 1918* One case in a European at Lome in May, 1918. One case in a European at Axim in August, 1918, and One case in a native at Salt Pond in September, 1918. At such times all the necessary precautions to prevent importation • of the disease are taken not only in Lagos but all Nigerian ports. 26. Filariasis.—In Europeans 4 cases are recorded and 85 in natives. The majority of these are due to Loa loa in regions where the chrysops are prevalent. In natives 43 cases of Elephantiasis are recorded. 27. Pappataci Fever—One ease in a native is recorded. (2).— Epidemic Diseases. 28. Plague.—No infection of plague occurred nor were any cases reported from the Gold Coast or elsewhere. 29. Destruction of Rats and Mice.—This was carried out as a routine measure against the possible advent of plague with the following results as shown by this table:— Destruction of Rats and Mice. 1912. 1913. 1914. 1915. 1916. 1917. 1918. Rats ••• Mice 18,528 8,346 16,488 8,279 13,352 6,817 13,305 8,087 15,197 9,102 20,713 9,871 12,356 5,489 Total ... 26,874 24,767 20,169 21,392 24,299 30,584 17,845 30. & mall-pox.—In natives 439 cases were recorded with 74 deaths, a case mortality of 16'8%, which is a very low figure for Small-pox case mortality. These figures do not by any means represent the degree of infection that is prevalent when outbreaks occur.