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Hepatitis E Virus 

Hepatitis E Virus
Hepatitis E Virus

Lisa J. Krain

and Kenrad E. Nelson

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date: 05 August 2021

Hepatitis E virus (HEV) poses serious risks to pregnant women and their developing fetuses, including increased risk of pregnancy loss, stillbirth, preterm delivery, and early infant death. Supportive care is currently the standard treatment for pregnant women with HEV infection, but in some cases, ribavirin treatment or early delivery may be indicated. Infants born with acute HEV infection face increased risk of complications and death. Intensive monitoring and support may be required in the neonatal period, particularly for preterm infants. Infants who survive the early neonatal period are likely to recover fully and clear the virus. Immunoassays and molecular methods for diagnosis of HEV have improved markedly over the past decade. New HEV vaccines may provide an opportunity to prevent both maternal illness and mother-to-child transmission (vertical transmission) (MTCT).

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