【終於.......】評論
Background: Pneumonia virus of mice (PVM) is anvirus affecting the respiratory tracts of rats andnmice. It is a ssRNA virus of the familynParamyxoviridae.nTransmission: PVM is transmitted via aerosol andncontact exposure to the respiratory tract.nSusceptibility is strain dependent and can benincreased by a variety of local and systemicnstressors.nClinical Signs: In immunocompetent rats andnmice, the infections are short-lived, withoutnclinical signs. No pathologic lesions have beennreported in naturally infected rats and mice. Noncarrier state develops.nIn immunocompromised mice, such asnathym...