EXPERIMENTAL STUDY OF HYALOMMA PLUMBEUM PLUMBEUM PANZ. AND HAEMAPHYSALIS PUNCTATA CAN. AND FANZ. TICKS AS TULAREMIA VECTORS
NAVAL MEDICAL RESEARCH UNIT NO 3 CAIRO (EGYPT) DEPT OF MEDICAL ZOOLOGY
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According to literature, ticks Hyalomma plumbeum plumbeum and Haemaphysalis punctata naturally infected with tularemia occur in nature. The authors established that under experimental conditions tick of both species infected in the larval stage could retain the agent throughout the metamorphosis. Nymphs and imago of H. plumbeum and nymphs of H. punctata during blood-sucking infect animals susceptible to tularemia. Besides, nymphs of H. plumbeum can attach and transmit the causative agent to animals in interrupted feeding for 82 days. No transovarial transmission could be obtained in H. plumbeum ticks.