THE ARBOVIRUSES
Abstract:
Viruses are now classified as arthropod-borne arbo viruses which 1 Possess the capacity to multiply in vertebrates and arthropods, with the vertebrates regarded as the reservoir and the arthropods as the vector. Virus multiplication in arthropods is always asymptomatic, i.e., there are no signs of disease or histologically apparent lesions. Consequently, the so-called insect viruses viruses which multiply in insects and thereby injure them and viruses transmitted only mechanically by arthropods are not designated arboviruses. 2 Multiply in baby mouse brain. 3 Are sensitive to bile salts. 4 Possess hemagglutin of antigenic nature. 5 Contain RNA.
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