Flu Attack! How A Virus Invades Your Body | Krulwich Wonders | NPR
Why the open web links it
Explains how the flu virus invades and replicates within human cells using an engaging animated visualization.
Linked by 47 independent sites, 10 of them widely read in the 2026-10 crawl of the open web, including eu.org, ucf.edu, inverse.com, openculture.com, libretexts.org.