Cleric women wearing protective clothing and “chador,” a head-to-toe garment, arrive a cemetery to prepare the body of a victim who died from the new coronavirus for a funeral, in the city of Ghaemshahr, in north of Iran, on April 30, 2020. (AP Photo/Ebrahim Noroozi)

On March 11, 2020, the World Health Organization declared COVID-19 a pandemic, the first in over a century. The international agency urged everyone around the globe to work together to alter the course of the virus, which had already touched 114 nations and ended more than 4,000 lives.

Before the pandemic claimed the lives of more than 1,700 Knox County residents, it began with a trickle of announcements.

March 11, 2025 marks five years since the World Health Organization (WHO) officially declared COVID-19 as a pandemic. Heather Yourex-West looks at how the world has since changed since 2020, and the pandemic's lingering impact.