Youri Benadjaoud, ABC News

Why the CDC recommends that everyone over the age of 6 months get the updated COVID vaccine

Morsa Images/Getty Images(NEW YORK) -- An independent panel of advisers at the Centers for Disease Control...

Experts struggle to gauge potential health impacts of chemical spill in Ohio train derailment

Witthaya Prasongsin/Getty Images(NEW YORK) -- More than a week after hazardous waste was burned by officials...

Health officials make urgent push for flu and COVID shots as hospitals feel the strain

Hans Gutknecht/MediaNews Group/Los Angeles Daily News via Getty Images(WASHINGTON) -- Health officials are making another urgent...

NIH launches website for reporting at-home COVID test results

Manuel Romano/NurPhoto via Getty Images(WASHIGTON) -- The National Institutes of Health has launched a website MakeMyTestCount.org...

What you need to know about ‘original antigenic sin’ with fall COVID boosters around the corner

Morsa Images/Getty Images(NEW YORK) -- With new COVID variant-specific booster shots set to roll out in...