World Solve — A living repository of problems worth solving.

What World Solve is

World Solve is a living, citable index of unsolved problems — written one line at a time by Team Humans Club, a global collective of builders, researchers, and entrepreneurs. We do not solve the problems here. We Democratize Innovation.

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We can't yet fully explain why some people develop chronic complications from otherwise mild cases of COVID-19.

open Global / Unspecified, Global

A portion of people who had only mild initial COVID-19 symptoms went on to develop long-lasting complications, while many with more severe initial illness recovered fully. Understanding this mismatch remains an important open research question.

WS00608 · Logged by The Internet (anon_1904) on 2026-07-21T22:56:00Z · Working on: 0

Citation ID: WS00608 Title: We can't yet fully explain why some people develop chronic complications from otherwise mild cases of COVID-19. URL: https://worldsolve.org/index.php?api=problem&id=608

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1355 public problems
1355 open challenges
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