Covid can enter through the eyes. Since this guy's first symptom was red eyes, it could have entered through his eyes.
"Wear glasses. If you wear contact lenses, switch to glasses for a bit. That may help keep your hands away from your eyes. Also, the lenses may help protect your eyes from any respiratory droplets. If you don’t wear glasses, try sunglasses. And if you’re caring for someone ill, don safety glasses or goggles."
Your Eyes and Coronavirus (COVID-19)
"Wear glasses. If you wear contact lenses, switch to glasses for a bit. That may help keep your hands away from your eyes. Also, the lenses may help protect your eyes from any respiratory droplets. If you don’t wear glasses, try sunglasses. And if you’re caring for someone ill, don safety glasses or goggles."
Your Eyes and Coronavirus (COVID-19)