[M T]

BTW, because cases take a couple of weeks or longer to get serious, ...

The mean incubation time (infection to first symptom) is about 5 days.
If the disease progresses to severe (ie, pneumonia), that takes about another 5 days after symptoms (Table 3).

In China, where all who tested positive were sent to the hospital, their hospitalizations averaged 14.5 days if they were ever sent to the ICU or died.

[M T]

BTW, because cases take a couple of weeks or longer to get serious, ...

The mean incubation time (infection to first symptom) is about 5 days.
If the disease progresses to severe (ie, pneumonia), that takes about another 5 days after symptoms (Table 3).

In China, where all who tested positive were sent to the hospital, their hospitalizations averaged 14.5 days if they were ever sent to the ICU or died.