NB.1.8.1 is one of the latest variants of COVID-19, a "slightly upgraded version" of the LP.8.1 variant that is prominent right now, Subhash Verma, microbiology and immunology professor at the University of Nevada, Reno, previously told USA TODAY in May.

Vaccine maker Moderna announced today that the US Food and Drug Administration (FDA) has granted full approval of its Spikevax (mRNA-1273) COVID vaccine for children 6 months to 11 years old. But, because federal officials in May restricted its recommendations for COVID-19 vaccines to adults 65 and older and to people of all ages who are at increased risk for severe disease,

FDA grants full approval to Moderna's COVID-19 vaccine for children aged 6 months to 11 years with medical vulnerabilities, marking a shift from emergency use to selective eligibility.

Recent vaccination announcements have led to some confusion. Four physicians weigh in on who should get vaccinated and when

Health organizations sue Health Secretary Kennedy over removal of COVID-19 vaccines from children's and maternal recommendations.

The lawsuit alleges that a decision in May to remove COVID-19 vaccines from the federal list of recommended vaccines for healthy children and pregnant women was unlawful.

Trump administration policy tug-of-war between big medical groups that want COVID vaccines back on CDC schedule for healthy kids and pregnant women, groups that want mandate ban extended to health sciences students.

House Democrats on the Oversight Committee are calling for an urgent briefing with staff from the Centers for Disease Control and Prevention (CDC), demanding answers over recent moves that have taken place among the agency's vaccine advisory panel, ABC News can exclusively report.