Johnson & Johnson told FDA in advance of this week’s vaccine advisory committee meeting that the amount of time someone should wait to receive a second booster shot of the company’s COVID-19 vaccine could vary from two months to six months or longer depending on individual risk-benefit profiles and the local epidemiological situation. FDA’s Vaccines and Related Biological Products Advisory Committee is meeting Friday (Oct. 15) to vote on whether to authorize J&J’s booster for individuals aged 18 and older...