Tents work as long as you have enough artificial respirators and it's not too cold outside. Also, you need to have enough medical personnel, if the Chinese stat

Tents work as long as you have enough artificial respirators and it's not too cold outside. Also, you need to have enough medical personnel, if the Chinese stats are correct about 40% of the Wuhan doctors got sick after 2-3 weeks of the whole thing getting really serious and they had to airlift about 6000 medical personnel from other Chinese regions.