https://apnews.com/5e811e2a9bc12c373510f82ba19ded10

NEW YORK (AP) — A number of scientists have wondered if aluminum, a vaccine additive that has been used for decades, had a role in allergies and asthma in children.

A new federally funded study has found a possible link, but experts say the research has important shortcomings and is not a reason to change current vaccine recommendations. The study doesn’t claim aluminum causes the breathing condition, and officials say more work is needed to try to confirm any connection, which hadn't been seen in earlier research.