Virus

Incubation Period (typical cases)

Novel Coronavirus (COVID-19)

2 - 14 or 0 - 24 days*

SARS

2 - 7 days, as long as 10 days

MERS

5 days (range: 2 - 14)

Swine Flu

1 - 4 days, as long as 7 days

Seasonal Flu

2 days (1 - 4 range)