Revista da Sociedade Brasileira de Medicina Tropical · 2013
Experimental infection of the bat tick Carios fonsecai (Acari: Ixodidae) with the rabies virus.
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Favoretto Silvana Regina, de Almeida Marilene Fernandes, Martorelli Luzia Fátima Alves, Aires Caroline Cotrin, Labruna Marcelo Bahia, Kataoka Ana Paula Arruda Geraldes, Campos Angélica Cristine de Almeida, Sacramento Débora Regina Veiga, Durigon Edison Luiz, Koprowski Hilary
Аннотация
INTRODUCTION: This study assessed the viability of the rabies virus in the argasid tick Carios fonsecai following experimental infection.
METHODS: The mouse inoculation test (MIT), fluorescent antibody test (FAT) and polymerase chain reaction (PCR) were used. The rabies virus was administered to ticks via the intra-coelomic route, and the ticks were sacrificed at different time points.
RESULTS: The inoculated ticks were negative for rabies according to the MIT. Ticks macerated with rabies virus were positive according to the MIT and FAT. All of the tick lots tested by PCR were positive. CONCLUSIONS The rabies virus became unviable shortly after its inoculation into tick bodies. Ticks are not likely to play an important role in the epidemiology of rabies.
METHODS: The mouse inoculation test (MIT), fluorescent antibody test (FAT) and polymerase chain reaction (PCR) were used. The rabies virus was administered to ticks via the intra-coelomic route, and the ticks were sacrificed at different time points.
RESULTS: The inoculated ticks were negative for rabies according to the MIT. Ticks macerated with rabies virus were positive according to the MIT and FAT. All of the tick lots tested by PCR were positive. CONCLUSIONS The rabies virus became unviable shortly after its inoculation into tick bodies. Ticks are not likely to play an important role in the epidemiology of rabies.