What does this have to do with startups specifically? The advice here applies to any type of business/office.
Many larger company boards have already discussed this, but many startups have small or no boards to bring this up (hence the email I originally sent which turned into this post when founders suggested I publish more broadly)
I doubt Covis-19 will last so long, but probably there's a case for disease spread related apps. Maybe an app that can recommend vaccinations combined with a knowledge base of Do's and Dont's. As already pointed out on HN, it's also amazing how bad all the data is presented...