MERS-CoV | SARS-CoV | SARS-CoV-2 | |
---|---|---|---|
Disease | MERS | SARS | COVID-19 |
Outbreaks | 2012, 2015, 2018 |
2002–2004 | 2019–2021 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 |
These references will appear in the article, but this list appears only on this page. |