"This is a very exciting moment for parents like me who have kids under 12 ... Now, 28 million children in this age group now have an opportunity to be protected," Surgeon General Murthy says on Pfizer's lower-dose Covid vaccine available to children 5 to 11. | MSNBC

A CDC advisory panel has voted to change its recommendations for the MMRV vaccine—which combines protection against measles, mumps, rubella, and chickenpox—saying it should not be given to children under age four due to a small but increased risk of febrile seizures in younger kids. @vinguptaofficial explains what this means and what parents need to know. | MSNBC