Annual report on the Medical Research Institute / 1909-.

  • Nigeria. Medical Research Institute.
Date:
[1915]
Catalogue details

Licence: Public Domain Mark

Credit: Annual report on the Medical Research Institute / 1909-. Source: Wellcome Collection.

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    200. A vaccine was prepared and used on the patient. After three injections the condition had completely disappeared. 201. What would appear to be a very advanced stage of the above condition was seen in conjunction with Dr. Gibson of Lagos. The patient was a young European belonging to a Timber Concession. When seen the only part of his body affected was his left leg below the knee, though according to his own statement the inguinal region was the first part affected. This, however, cleared up before he was seen by Dr. Gibson. 202. The eruption was limited more or less to the middle third of the leg. At the periphery, vesicles similar to the above were seen, but larger in size, rounded and more elevated above the surface. Their contents consisted of a turbid white fluid. Towards the centre the individual vesicles had in places coalesced and probably assisted by irritation from the patient’s clothes, pustules of various sizes and form had resulted. The contents of the latter gave all the characters associated with pus. The surrounding skin was discoloured by angry reddish inflammation. 203. Cultures were taken from the smaller vesicles and a diplocoecus similar to the above was isolated. A vaccine was prepared with beneficial results. 204. Efforts were made on three occasions to inoculate a monkey with this diplocoecus without result. 205. Trypanosomiasis.—Dr. H. Andrew Foy sent to the Institute a large collection of blood smears, and four smears from gland juice, which he had obtained from natives during an inspection of a district on the Benue liiver. Trypanosoma gambiense was found in 15 of the blood smears and in two of the films made from the gland juice, 17 cases in all. 206. The same species of trypanosome was also found in the blood of a native soldier, an inmate of Lagos Hospital. 207. Many of the blood smears from domestic animals showed trypanosomes, cows, sheep, goats, horses, pigs and dogs were all found infected. 208. Cattle and horses appear to be especially prone to the disease, probably because they are more frequently to be found outside the immediate environs of a town or village than the other animals, and so are more exposed to the bites of tsetse. 209. Blood smears from 168 cattle were examined. They were all sent to the Institute in the dried state. Trypanosomes were found in 49, that is 291 per cent. So far as could be judged most of the parasites were T. vicax, and a few resembled T. pecaudi (T. brucei). 210. A single goat out of 66 examined showed trypanosomes, the parasite resembling T. vivax. 211. Fourty-four sheep were examined and trypanosomes were found in one, the species being apparently T. vivax. 212. Three pigs out of 28 were found to harbour trypanosomes, resembling T. pecurum (T. congolense). 213. Blood smears from 21 dogs showed trypanosomes of the T. pecaudi (T. brucei) type in two cases. [260521] 4
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