There is no need to share a rule about this. This is a moderated forum, and the moderators and Administrators as well as Bhante @sujato , write and modify the rules as required, in order to acheive the goals of the site.
As you can see, from the above posts, the issue has been decided on by the whole team. It is out of compassion that this decision has been reached. The best way to provide the most accurate information is to follow the health advice available by each Nations own Health body.
There is no intention to stop access to medical information, but to ensure access to the most reliable information. This forum is NOT the place to access this. We ask you to cooperate with this position 
https://discourse.suttacentral.net/t/d-d-response-and-advice-regarding-covid-19/15336