Report on two experiments on the mosquito-malaria theory : instituted by the Colonial Office and the London School of Tropical Medicine / by Louis W. Sambon and George C. Low.

  • Sambon, Louis W.
Date:
1902
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Licence: In copyright

Credit: Report on two experiments on the mosquito-malaria theory : instituted by the Colonial Office and the London School of Tropical Medicine / by Louis W. Sambon and George C. Low. Source: Wellcome Collection.

Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.

    17/76 (page 11)
    been abroad since, nor in any district in this country reputed to be malarial. I am healthy. The first consignment of mosquitoes arrived at the London School of Tropical Medicine on Jbly 5tli. They were in a languid condition, and would not feed satisfac- torily. One may have bitten me. By July 7tli they were all dead. The second consignment arrived on August 26th. On arrival twelve insects were lively and healthy-looking. I fed five of them on August 29th, three on August 31st, one on September 2nd, and one on September 4th. They bit my fingers and hands readily. The bites were fol- lowed by a considerable amount of irritation, which per- sisted for two days. The third consignment arrived on September 10th. There were some fifty to sixty mosquitoes in good condi- tion. Twenty-five bit me on September 10th, and ten on September 12th. Up till September 13th I had been perfectly well. On the morning of the 13th I rose feeling languid and out of sorts, with a temperature of 99° F. By midday I was feeling chilly and inclined to yawn. At 4.30 p.m. I went to bed with severe headache, sensation of chilliness, lassitude, pains in the back and bones, and a temperature of 101-4°. Repeated examinations failed to discover any malaria parasites in my blood. September 14th.—I slept fairly well, but woke at 3 a.m. with slight sweating and a temperature of 101°. During the day my temperature ranged between 101 and 102°. The symptoms of September 13th were exaggerated, and anorexia was complete. Several exami- nations of the blood were made again with negative result. To relieve headache 10 grs. of phenacetin were given at 6 p.m. ; I perspired profusely but slept indif- ferently. 15th.—Woke at 7 a.m. feeling distinctly better, with a temperature of 100*4°. No' malaria parasites were discovered on repeated examinations of my blood by my t