In terms of the number of infected people, the novel coronavirus (SARS-CoV-2) ranked third among ten major virus outbreaks as of the end of January 2020. The virus, which originated from the Chinese city of Wuhan, has since spread to around 215 countries and territories worldwide.
China searching for disease’s origins
The cumulative number of COVID-19 cases in China topped 89,000 on August 11, 2020. The SARS-CoV-2 virus and the infectious disease it causes were unknown before the outbreak began in China in December 2019. Experts from the World Health Organization are now working with Chinese counterparts to identify the origins of the virus. The most common symptoms reported by Chinese patients were fever, dry cough, and fatigue.
The rapid global spread of the virus
In March 2020, it was estimated that the SARS-CoV-2 virus had an infection rate of between 1.5 and 3.5, which is higher than other outbreaks that have emerged worldwide in the past two decades. According to early estimates in January 2020, the case fatality rate was around two percent, but the spread of the coronavirus has overwhelmed many countries. The case fatality rate in China was as high as 5.5 percent in mid-April 2020.
Confirmed cases and deaths of major virus outbreaks worldwide in the last 50 years as of 2020
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ScienceAlert. (January 31, 2020). Confirmed cases and deaths of major virus outbreaks worldwide in the last 50 years as of 2020 [Graph]. In Statista. Retrieved August 31, 2024, from https://www.statista.com/statistics/1095192/worldwide-infections-and-deaths-of-major-virus-outbreaks-in-the-last-50-years/?fbclid=IwAR3_1XQ7vOb83Rgf6uAdhV0E7yImywBY2wZfF7YQi5RgMst3gErIp3neH9s
ScienceAlert. "Confirmed cases and deaths of major virus outbreaks worldwide in the last 50 years as of 2020." Chart. January 31, 2020. Statista. Accessed August 31, 2024. https://www.statista.com/statistics/1095192/worldwide-infections-and-deaths-of-major-virus-outbreaks-in-the-last-50-years/?fbclid=IwAR3_1XQ7vOb83Rgf6uAdhV0E7yImywBY2wZfF7YQi5RgMst3gErIp3neH9s
ScienceAlert. (2020). Confirmed cases and deaths of major virus outbreaks worldwide in the last 50 years as of 2020. Statista. Statista Inc.. Accessed: August 31, 2024. https://www.statista.com/statistics/1095192/worldwide-infections-and-deaths-of-major-virus-outbreaks-in-the-last-50-years/?fbclid=IwAR3_1XQ7vOb83Rgf6uAdhV0E7yImywBY2wZfF7YQi5RgMst3gErIp3neH9s
ScienceAlert. "Confirmed Cases and Deaths of Major Virus Outbreaks Worldwide in The Last 50 Years as of 2020." Statista, Statista Inc., 31 Jan 2020, https://www.statista.com/statistics/1095192/worldwide-infections-and-deaths-of-major-virus-outbreaks-in-the-last-50-years/?fbclid=IwAR3_1XQ7vOb83Rgf6uAdhV0E7yImywBY2wZfF7YQi5RgMst3gErIp3neH9s
ScienceAlert, Confirmed cases and deaths of major virus outbreaks worldwide in the last 50 years as of 2020 Statista, https://www.statista.com/statistics/1095192/worldwide-infections-and-deaths-of-major-virus-outbreaks-in-the-last-50-years/?fbclid=IwAR3_1XQ7vOb83Rgf6uAdhV0E7yImywBY2wZfF7YQi5RgMst3gErIp3neH9s (last visited August 31, 2024)
Confirmed cases and deaths of major virus outbreaks worldwide in the last 50 years as of 2020 [Graph], ScienceAlert, January 31, 2020. [Online]. Available: https://www.statista.com/statistics/1095192/worldwide-infections-and-deaths-of-major-virus-outbreaks-in-the-last-50-years/?fbclid=IwAR3_1XQ7vOb83Rgf6uAdhV0E7yImywBY2wZfF7YQi5RgMst3gErIp3neH9s