Brief article comparing R0, Mortality Rate, Latent Period with other diseases.
https://www.medscape.com/viewarticle/924319
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Seasonal flu, for example, has an R0 of around 1.5.
The Spanish influenza of 1918-1919 had an R0 as high as 2. Fatality to 10%.
Chickenpox, which is fairly infectious, has an R0 of around 5.
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HIV before treatment was available, with an R0 of around 6 globally and a near 100% mortality rate.
Smallpox, with an R0 of 5 and a mortality rate of 30% in the unvaccinated.
Bubonic plague: R0 of 3, untreated mortality rate of 60%.
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For the new coronavirus, LATENT PERIOD appears to be around 5 days—not too long.