Template:Coronavirus characteristics comparison

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Characteristics of zoonotic coronavirus strains
MERS-CoV, SARS-CoV, SARS-CoV-2,
and related diseases
MERS-CoV
SARS-CoV
SARS-CoV-2
Disease MERS SARS COVID-19
Outbreaks
2012 MERS outbreak
2002–2004 COVID-19 pandemic
Epidemiology
Date of first
identified case
June
2012
November
2002
December
2019[1]
Location of first
identified case
Jeddah,
Saudi Arabia
Shunde
,
China
Wuhan,
China
Age average 56 44[2][a] 56[3]
Sex ratio (M:F) 3.3:1 0.8:1[4] 1.6:1[3]
Confirmed cases 2494 8096[5] 676,609,955[6][b]
Deaths 858 774[5] 6,881,955[6][b]
Case fatality rate 37% 9.2% 1.02%[6]
Symptoms
Fever 98% 99–100% 87.9%[7]
Dry cough 47% 29–75% 67.7%[7]
Dyspnea
72% 40–42% 18.6%[7]
Diarrhea 26% 20–25% 3.7%[7]
Sore throat 21% 13–25% 13.9%[7]
Ventilatory use 24.5%[8] 14–20% 4.1%[9]
Notes
  1. ^ Based on data from Hong Kong.
  2. ^ a b Data as of 10 March 2023.

References