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Provirus
Investigators at Department of Agriculture target provirus
June 10th, 2009
"Studies were undertaken to determine whether anti-ovine progressive pneumonia virus (OPPV) antibody responses in serum or OPP provirus levels in peripheral blood associate with the degree of histologically measured tissue lesions in naturally OPPV-infected sheep. Sections of formalin-fixed, paraffin-embedded, and hematoxylin- and eosin-stained lung, mammary gland, carpal synovial membrane, and brain tissues from 11 OPPV-infected ewes (mean age of 8.6 years) and 5 OPPV-uninfected ewes (mean age of 6 years) were evaluated for lesion severity," scientists in the United States report. "Ovine progressive pneumonia (OPP) provirus levels and anti-OPPV antibody titers in...
Source: Vaccine Weekly (2009-06-10)
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