On a second thought, projects like the Exscalate4CoV [1] might have a chance to contribute even short-term as they do have the explciit goal to also focus on "Identify virtually and quickly the drugs available, or at an advanced stage of development, potentially effective"

[1] hhttps://www.cineca.it/en/news/exscalate4cov-hpc-platform-win...

No, they aren’t. Read it again.

In 2001 SETI@home had more flops than the best supercomputer of the time. In 2013, SETI@home had fewer flops than the best supercomputer of the time.