Hospitals are flooded with Covid-19 patients. By the time the person is admitted, their condition is quite severe. The two questions that doctors are going to ask their caretaker is if the patient has a Living Will or a Do Not Resuscitate order. MedicineNet defines a DNR as "a request not to have CPR done if the heart stops or breathing ceases." Per the Mayo Clinic a "living will is a written, legal document that spells out medical treatments you would and would not want to be used to keep you alive, as well as your preferences for other medical decisions, such as pain management or organ donation." Coronavirus affects people of all ages and physical health differently; and can progress quite rapidly.
It is time to have these discussion with your loved one and contact an attorney to prepare the documents.