FDA approves booster-enhanced flu vaccine for seniors

WASHINGTON (AP) — Federal health officials have approved a first-of-a-kind flu vaccine that contains a booster to help protect seniors vulnerable to the virus.
The Food and Drug Administration says Fluad is the first seasonal vaccine that contains an adjuvant, a substance that boosts the body’s immune response. The agency approved the vaccine late Tuesday to prevent seasonal flu in people 65 and older.
Several vaccines already include boosters, including aluminum, which has been show