Delivering Covid vaccinations has never been an easy job. But health secretary Robert F. Kennedy Jr.’s rewriting of government recommendations will make the effort to get vaccine doses into arms exponentially more difficult, experts say.

The changes will complicate discussions between pediatricians and parents, obstetricians and pregnant patients, and both groups and their insurers, these experts say. They will also likely result in Covid shots being harder to access, with fewer doctors choosing to stock them and fewer pharmacies willing to administer them, for both economic and liability reasons, the experts said.

“I think it’s going to create confusion for doctors and for patients,” said Linda Eckert, a professor of obstetrics, gynecology, and global health at University of Washington

See Full Page