Permalink: https://www.zorinaq.com/pub/ncov-comparison.html (updated 02 Apr 2020 20:07 UTC)
Disease Death toll Transmission R₀ Case fatality ratio Hospitalized
cases sent to ICU
Asymptomatic
transmission
Year
vaccine
available
Pertussis 160 000 in 2014²⁰ Droplet 9.9-11.5 4% 1930s
Diphtheria 15 520 in 1921²¹ Droplet 6-7 5-10% 1923
Measles 140 000 in 2018²² Airborne 12-18 0.1-0.2% 1963
Smallpox 300-500 million
in the 20th century²³
Droplet 5-7 30% (variola major) 1797
Rubella Droplet 5-7 3-6% (developing world) 1970
Mumps Droplet 4-7 0.01% 1967
SARS 774¹⁹ Droplet 2-5¹ 9.6%¹ No n/a
MERS 858¹⁸ Droplet <1¹ 34%¹ No n/a
2009 Swine flu
(H1N1)
284 000¹⁷ Airborne 1.64-1.88⁷ 0.026%⁸ Yes 2009
Seasonal flu 400 000¹⁶ Airborne 1-2 < 0.1% 5-10%⁵ Yes seasonal
1968-69 Hong Kong flu
(H3N2)
1-4 million¹⁶ Airborne 1.21-3.58¹¹ <0.5%¹² Yes 1968
1957-58 Asian flu
(H2N2)
1.5-4 million¹⁶ Airborne 0.5%²⁴ Yes 1957
1918 Spanish flu
(H1N1)
17.4-100 million¹⁶ Airborne 2-4¹³ >2.5%¹⁴ Yes n/a
Coronavirus COVID-19
(SARS-CoV-2)
TBD Droplet⁹ 1.4-2.5²
2.47-2.86⁶
0.5-1.6%⁴ 22%¹⁵
23%³
Suspected¹⁰ n/a