Experimental Hepatitis E in Pregnant Rhesus Monkeys: Failure to Transmit Hepatitis E Virus (HEV) to Offspring and Evidence of Naturally Acquired Antibodies to HEV
- 1 July 1995
- journal article
- research article
- Published by Oxford University Press (OUP) in The Journal of Infectious Diseases
- Vol. 172 (1) , 31-37
- https://doi.org/10.1093/infdis/172.1.31
Abstract
In an attempt to reproduce experimentally the fulminant hepatitis of pregnant women infected with hepatitis E virus (HEV), 4 nonpregnant and 6 pregnant rhesus monkeys in the first, second, or third trimester of pregnancy were inoculated intravenously with ∼ 105.5 ID50 of HEV. Comparison of biochemical, histopathologic, and serologic profiles in pregnant and nonpregnant monkeys did not reveal an increase in the severity of hepatitis in the pregnant animals. Hematology and serum clinical chemistry values were in the normal range in all animals during the study. No evidence of neonatal infection with HEV was found in offspring. Two rhesus monkeys (1 pregnant, 1 nonpregnant) had naturally occurring anti-HEY antibodies prior to inoculation as detected by a standard ELISA and confirmed by a competition ELISA with hyperimmune chimpanzee serum. These animals demonstrated an anamnestic response when they were challenged with HEV.Keywords
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