Scraping websites currently free due to coronavirus

Some sites are free due to the coronavirus and we should scrape them. Please list any temporarily-free websites you know of, such as https://​​www.uptodate.com/​​

To download sites I recommend https://​​github.com/​​ArchiveTeam/​​grab-site

Consider whether you want to use—no-offsite-links. Otherwise it will pull every linked page and its resources (and sometimes even embedded videos).