Moderna Inc. gained US approval for a new Covid vaccine for a narrower group of people, in the latest sign that regulators are restricting access to immunizations under the leadership of Health and Human Services Secretary Robert F.

Kennedy's move appears to shortcut the CDC's outside vaccine advisers, dropping COVID vaccines from the list recommended for children and pregnant women.

MRNA technology is already used in Moderna’s and Pfizer/BioNTech’s currently licensed COVID-19 vaccines, which have been found to be safe and effective.

The U.S. government is pulling its funding for drugmaker Moderna to continue testing an mRNA vaccine intended to protect people from the bird flu.

RFK Jr. and other public health officials announced the COVID vaccine won't be recommended for healthy children and pregnant women.

Many agree that the original course of vaccination offered significant protection against serious illness in children. Data from the C.D.C. shows that two or more doses of Covid vaccines were 40 percent effective at preventing emergency room visits and hospitalizations among children under the age of 5.