New research offers clues to what causes long COVID — fuelling hope for eventual treatments

For several years, scientists have tried to untangle one of COVID-19's persistent puzzles: Why do some people, even after mild infections, go on to develop lasting health issues? Now, fresh clues are emerging.

New research offers clues to what causes long COVID — fuelling hope for eventual treatments
Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient.

For several years, scientists have tried to untangle one of COVID-19's persistent puzzles: Why do some people, even after mild infections, go on to develop lasting health issues? Now, fresh clues are emerging.