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In the United States, the burden of hepatitis C virus (HCV) infection is disproportionately high among young adults including pregnant persons, resulting in increased infections among children as perinatal transmission remains the main route of HCV infection in children. Hence, in 2020, the Centers for Disease Control and Prevention (CDC) recommended universal HCV screening during each pregnancy. HCV infection in infancy is usually asymptomatic, so the diagnosis entirely relies on testing of perinatally exposed infants which, historically, included anti-HCV antibody testing at ≥18 months of age. However, nation-wide perinatal HCV testing rates have been suboptimal with significant loss to follow-up. To address this problem, in 2023, the CDC introduced early single HCV RNA testing at 2–6 months of age with an alternative for HCV RNA testing up to 17 months of age if not previously tested. The high sensitivity and specificity of the HCV real-time PCR laid the grounds for this policy shift. In this review, we highlight how these new CDC recommendations will enhance testing of infants and children and ultimately contribute to overall HCV elimination efforts. We also emphasize the role of all pediatric providers and obstetricians in implementing these new guidelines. Additionally, we offer our perspective and practical advice for testing of perinatally exposed infants and children. Currently, curative oral antivirals for HCV-infection treatment are approved for children ≥3 years of age. As pediatricians, advocating for children's wellness, it is our utmost duty to ensure that every child exposed to perinatal hepatitis C has been tested, diagnosed, linked to care, treated, and achieved cure. [ABSTRACT FROM AUTHOR]

The article discusses the "Recommendations for HCV testing among perinatally exposed infants and children," published by the U.S. Centers for Disease Control and Prevention (CDC) in the November 2023 issue of "Morbidity and Mortality Weekly Report." Topics include previous recommendation for all infants with HCV exposure, how to successfully identify all exposed infants and prevent loss to follow up and inadequate testing, and steps needed to successfully implement the testing strategy.