Overnight Health Care: FDA panel endorses Johnson & Johnson vaccine | CDC director warns decline in cases ‘may be stalling’ | Biden administration buys 100,000 doses of Lilly antibody drug

Welcome to Friday’s Overnight Health Care. Today is sadly Jessie’s last day with us at The Hill, and we wish her all the best!   Follow us at @NateWeixel, @jessiehellmann and @PeterSullivan4. Johnson & Johnson’s COVID-19…