The US Food and Drug Administration (FDA) has lifted the Risk Evaluation and Mitigation Strategy (REMS) requirements for certain medications used to treat anemia.

One of the few vaccines that can actually protect against cancer is the human papillomavirus (HPV) vaccine, which prevents four strains of HPV. But some parents have expressed concerns about the safety of the HPV vaccine.

Adults with certain immune system conditions often require different recommendations for the vaccines they can and should receive. A new vaccine has been added to these recommendations.

Scientists understand the big picture of how vaccines work in the body but not all the specifics at the cellular level. Now they have discovered one more piece of the puzzle.