Initially, the infection seemed just like the flu or a cold, he said, and the symptoms lasted for a few days.

"About a week and a half, two weeks later, I started feeling bad," he said.

While many seem to go through the infection without symptoms, there's still no telling how each individual will react to the virus.

Rollyson said doctors told him his body went into hyperactive mode trying to fight off coronavirus before he suffered heart failure, acute respiratory failure and severe sepsis.