HealthCoronavirus Actions Facebook Tweet Email KGTV: Researchers Study Length Of Immunity After COVID Shots The California researchers are using blood donations from vaccinated individuals to determine effectiveness of the shots. Prev Next Posted Most Recent Experimental pill promises new hope for deadly pancreatic cancer AP via Scripps News Group Israeli army captures strategic castle in Lebanon AP via Scripps News Group Trump to headline 'Great American State Fair' after artists drop out AP via Scripps News Group Health WHO chief visits Congo Ebola epicenter as cases surge AP via Scripps News Group JFK airport begins Ebola health screening for travelers returning from Africa Scripps News Group CVS to cover Eli Lilly’s anti-obesity pill, reinstate Zepbound later this year Scripps News Group Join the 'Morning Rush' team every weekday at 7 a.m. ET About Scripps News Download the Scripps News app.