The pandemic may be over, but the endemic disease is still a threat, especially for older adults and those with certain risk factors.

A look at the numbers since Covid was announced as a global pandemic five years ago today, and how low vaccination rates still fuel serious infections and illnesses.

From the long lines for testing, to turning New York's Central Park into a makeshift field hospital, the horrors of the height of the COVID-19 pandemic might not have rang more true for those working inside the hospital emergency rooms.

They're pushing for more funding to find effective treatments. Researchers are finally starting to make headway but have a way to go.