HealthCoronavirus Actions Facebook Tweet Email What's Behind COVID Vaccine Side Effects? Experts weigh in on why some people may have certain reactions to COVID vaccines. Prev Next Posted Most Recent After expensive renovation, National Mall Reflecting Pool awash in algae Jacob Gardenswartz Kraft works on TSA-compliant ranch after World Cup fans pack bottles Justin Boggs GOP Rep. Tom Kean Jr. to return June 30 after mysterious months-long absence AP via Scripps News Group Health Pain patients caught in the crossfire of US opioid policies, experts say Heather Olinger FDA panel considers a first-of-its-kind flu vaccine using mRNA technology AP via Scripps News Group GLP-1 drugs linked to reduced cancer risk, researchers say Scripps News Group Join the 'Morning Rush' team every weekday at 7 a.m. ET About Scripps News Download the Scripps News app.