evidence: FDA Panel Backs Moderna Booster for Older, High-Risk People - Recommendations echo U.S. guidance on Pfizer vaccine booster - J&J booster shot will be weighed by expert panel on Friday [...] Booster shots of Moderna Inc.’s Covid-19 vaccine should be given to older people and those at high risk of the disease, advisers to U.S. regulators said. Additional doses of the two-shot messenger RNA vaccine should be offered to people 65 and older, along with adults 18 and older who are at high risk for medical or occupational reasons, the Food and Drug Administration’s vaccine advisory panel said Thursday in a unanimous, 19-0 vote.