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Acta Virol. 1979 Jan;23(1):40-4.

Light and electron microscope study of the neurotropism of Powassan virus strain P-40.


Brains of adult white mice inoculated with the P-40 strain of Powassan virus isolated in Primorsky Krai (U.S.S.R) from ticks were studied by light and electron microscopy. Accumulations of virus particles were found in neurons and their dendrites and axons, in glial cells, and in intercellular spaces. In the nerve cells, most prevalent were changes of the type of chromatolysis and formation of small vacuoles, associated with the alteration of the endoplasmic reticulum induced by virus morphogenesis. In virus-affected cells, multilayer dense membranes were found.

[Indexed for MEDLINE]

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