The purpose of this legislation, known as the Stop CMV Act of 2025, is to improve the health outcomes of newborns by requiring screening for congenital Cytomegalovirus (CMV). CMV is a common virus that can cause serious health issues in infants, and early detection can lead to better management and treatment options. Key provisions of the legislation include the requirement for hospitals and healthcare facilities to administer CMV tests to all infants aged 21 days or younger.