This needs to be signed, notarized, sent certified mail/ signature receipt requested. Copies to be kept on file for 10 years. This simplified version does not address loss of deposit, early withdraw penalties, or physical and emotional harm resulting from forum use.
After a contract is terminated, the parties to the contract do not have any future obligations to each other. However, one or both parties might be liable for breach of the terms of the contract prior to termination. The terms of the contract might also determine what happens after the contract is terminated
As always, check with your liability insurance carrier to determine if your terms of coverage will guarantee you are in compliance. If not, you may be required to purchase an umbrella policy, depending on policy, and state requirements. Questions regarding liability resulting from participation in COVID threads are best addressed by consulting the individual's insurance carrier.
(Clearly, it's easier just to stay)