EXPERIMENTAL MASS INFECTION OF LICE ADAPTED TO FEEDING ON RABBITS WITH RICKETTSIA PROWAZEKI,

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Abstract:

Following infection on rabbit-hosts, 85 of the lice died in the course of the first week following the appearance of rickettsia in the smears 52.3 of the insects contained rickettsia, consequently the effectiveness of infection comprised an average of 44.5. A negative moment during the infection were the side effects and the death of the rabbits, which could be eliminated by the administration of the infecting doses in portions over a period of two days. Author

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