"There was a time during this process where the hospital reached out to my wife and had to have the discussion about end-of-life options," he says.

Each day, the doctors and nurses would write out Brown's goals on the glass door to his room, and he recalls that they would also add a message to keep his spirits up. "At the bottom, they wrote: We will get you home," he says. "I don't know that I have ever seen such selfless people in my life."

After his body fought off the virus and he was able to return home, Brown asked one of his nurses to help him write a message of thanks to his caregivers on the same glass door that had become such a big part of his life during his treatment.

"This window has been the most impactful window in my life," the message reads. "On days when I watched you work hard to keep me and others alive unable to thank you for the time that you poured into me, although I will probably never get the chance to pour that same love and support into you, I want you to know that I think you all are rockstars."

"I watched some of you have good nights and some bad nights but what was consistent every night was that you care for people," it continues. "Today I leave this ICU a changed person, hopefully for the better, not only because of your medical healing, God's direction and guidance, but with the fact of knowing that there such wonderful people dedicated to the care and concern of others. God bless each of you."