From Wikipedia the free encyclopedia
Rat coronavirus, or RCV, is a strain or subspecies of Murine coronavirus that infects rats. The earliest discovered strains of Rat coronavirus were Sialodacryoadenitis virus, also known as SDAV, and Parker's Rat Coronavirus (PRC). Four other substrains have since been discovered; CARS, RCV-BCMM, RCV-W and RCV-NJ.
The viral particles of RCV are irregular to round and about 120 to 160 nm in size. They cannot be distinguished morphologically from other members of the genus Coronavirus.
Sialodacryoadenitis virus, or SDAV affects the upper respiratory tract and can be transmitted between individuals by direct contact and indirectly by aerosol. It causes the disease Sialodacryoadenitis, the primary symptom of which are tropism of the salivary, lachrymal and harderian glands. Most infections are mild, but acute infections have high morbidity. It is spread among laboratory animals as well as in pets.
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