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==Overview==
==Overview==
Globally, 3,755,341 cases of COVID-19 have been reported with 263,831 deaths. In the US, greater than 1 million cases have been reported with 73,431 deaths in country. Due rapid;y evolving data at this point, the exact [[Incidence (epidemiology)|incidence rate]] of Coronavirus disease 2019 (COVID-19) can not be approximated. Prevalent in all the continents of the world, [[World Health Organization|World Health Organization (WHO)]] has declared COVID-19 [[outbreak]] a [[pandemic]]. Due to inconsistent reporting and lack of organized data, an exact and universal case-fatality rate of COVID-19 is yet to be established. Middle aged and elderly population seem to be the most commonly affected with a [[median]] age of 49 - 56 years. COVID-19 is affecting males more than females. Majority of the cases of COVID-19 have been reported in China and at this point the disease has spread to all the continents of the world.  
Globally, 3,755,341 cases of COVID-19 have been reported with 263,831 deaths. In the US, greater than 1 million cases have been reported with 73,431 deaths in country. Due to rapidly evolving data at this point, the exact [[Incidence (epidemiology)|incidence rate]] of Coronavirus disease 2019 (COVID-19) can not be approximated. Prevalent in all the continents of the world, [[World Health Organization|World Health Organization (WHO)]] has declared COVID-19 [[outbreak]] a [[pandemic]]. Due to inconsistent reporting and lack of organized data, an exact and universal case-fatality rate of COVID-19 is yet to be established. Middle aged and elderly population seem to be the most commonly affected with a [[median]] age of 49 - 56 years. COVID-19 is affecting males more than females. Majority of the cases of COVID-19 were first reported in China and at this point the disease has spread to all the continents of the world.  


==Epidemiology and Demorgraphics==
==Epidemiology and Demorgraphics==

Revision as of 03:11, 7 May 2020

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sabawoon Mirwais, M.B.B.S, M.D.[2]

Overview

Globally, 3,755,341 cases of COVID-19 have been reported with 263,831 deaths. In the US, greater than 1 million cases have been reported with 73,431 deaths in country. Due to rapidly evolving data at this point, the exact incidence rate of Coronavirus disease 2019 (COVID-19) can not be approximated. Prevalent in all the continents of the world, World Health Organization (WHO) has declared COVID-19 outbreak a pandemic. Due to inconsistent reporting and lack of organized data, an exact and universal case-fatality rate of COVID-19 is yet to be established. Middle aged and elderly population seem to be the most commonly affected with a median age of 49 - 56 years. COVID-19 is affecting males more than females. Majority of the cases of COVID-19 were first reported in China and at this point the disease has spread to all the continents of the world.

Epidemiology and Demorgraphics

Incidence

  • Due to the lack of data at this point, the exact incidence rate of Coronavirus disease 2019 (COVID-19) can not be approximated.

Prevalence

  • To date, 2,138,763 confirmed cases of COVID-19 have emerged globally.
  • In the US greater than 200,000 cases have been reported with 5,100 deaths in country.
  • Epidemiologist Mark Lipsitch has suggested that 40% of the world's population could get infected with coronavirus.[1] This assertion may be based on a non-peer-reviewed studies.[2][3].
  • Prevalent in all the continents of the world, World Health Organization (WHO) has declared COVID-19 outbreak a pandemic.
  • For details on the real-time prevalence and spread of COVID-19, click here.[4][5][6][7][8]
  • Among patients iwth influenza-like-illness and without risk factors for COVID-19, 5% were positive for COVID-19.[9]

Case-fatality rate

  • The case fatality-rate of COVID-19 in the first 99 patients at a Wuhan hospital (the epicenter of the outbreak) was found to be 11%.[10]
  • In a different study comprising of 138 patients infected with COVID-19, the mortality has been established to be 4.3%.[11]
  • Due to inconsistent reporting and lack of organized data, an exact and universal case-fatality rate of COVID-19 is yet to be established.
  • In Wuhan, the case-fatality was 5.8% and in the rest of China it was 0.7%.[12]
  • The CDC states "Lower estimates [0.6%] might be closest to the true value, but a broad range of 0.25%–3.0% probably should be considered."[13]

Age

  • COVID-19 can affect individuals of any age.
  • Middle aged and elderly population seem to be the most commonly affected.
  • In multiple cohorts of patients hospitalized with confirmed COVID-19, the median age is established to range from 49 to 56 years.[14][15][16]
  • In a report including approximately 44,500 cases, 87% of the patients were between the ages of 30 and 79 years.[17]
  • According to the same report mentioned above, 2% of the patients were younger than the age of 20 years.

Race

  • At this point, there seems to be no racial predilection to COVID-19.

Gender

  • COVID-19 is affecting males more than females.[18][19]

Region

  • Majority of the cases of COVID-19 have been reported in China and at this point the disease has spread to all the continents of the world.
  • In the United States, confirmed cases of COVID-19 have been reported in all of the 50 States.[20]
  • For real-time details regarding the worldwide spread of COVID-19, click here.[4][5][6][7][8]
  • For real-time details regarding the spread of COVID-19 in the US, click here.[21]

References

  1. ↑ Anoymouis (2020) The latest on the coronavirus. T.H. Chan. Harvard School of Public Health. Avaiable at: https://www.hsph.harvard.edu/news/hsph-in-the-news/the-latest-on-the-coronavirus/ (search the page for instances of '40%')
  2. ↑ Niehus, Rene; De Salazar, Pablo M; Taylor, Aimee; Lipsitch, Marc (2020). doi:10.1101/2020.02.13.20022707. Missing or empty |title= (help)
  3. ↑ De Salazar, Pablo M; Niehus, Rene; Taylor, Aimee; Buckee, Caroline O; Lipsitch, Marc (2020). doi:10.1101/2020.02.04.20020495. Missing or empty |title= (help)
  4. ↑ 4.0 4.1 https://gisanddata.maps.arcgis.com/apps/opsdashboard/index.html#/bda7594740fd40299423467b48e9ecf6. Missing or empty |title= (help)
  5. ↑ 5.0 5.1 Dong, Ensheng; Du, Hongru; Gardner, Lauren (2020). "An interactive web-based dashboard to track COVID-19 in real time". The Lancet Infectious Diseases. doi:10.1016/S1473-3099(20)30120-1. ISSN 1473-3099.
  6. ↑ 6.0 6.1 "WHO statement regarding cluster of pneumonia cases in Wuhan, China".
  7. ↑ 7.0 7.1 "Coronavirus disease 2019 (COVID-19) situation reports".
  8. ↑ 8.0 8.1 "Tracking the epidemic".
  9. ↑ Spellberg, Brad; Haddix, Meredith; Lee, Rebecca; Butler-Wu, Susan; Holtom, Paul; Yee, Hal; Gounder, Prabhu (2020). "Community Prevalence of SARS-CoV-2 Among Patients With Influenzalike Illnesses Presenting to a Los Angeles Medical Center in March 2020". JAMA. doi:10.1001/jama.2020.4958. ISSN 0098-7484.
  10. ↑ Huang, Chaolin; Wang, Yeming; Li, Xingwang; Ren, Lili; Zhao, Jianping; Hu, Yi; Zhang, Li; Fan, Guohui; Xu, Jiuyang; Gu, Xiaoying; Cheng, Zhenshun; Yu, Ting; Xia, Jiaan; Wei, Yuan; Wu, Wenjuan; Xie, Xuelei; Yin, Wen; Li, Hui; Liu, Min; Xiao, Yan; Gao, Hong; Guo, Li; Xie, Jungang; Wang, Guangfa; Jiang, Rongmeng; Gao, Zhancheng; Jin, Qi; Wang, Jianwei; Cao, Bin (2020). "Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China". The Lancet. doi:10.1016/S0140-6736(20)30183-5. ISSN 0140-6736.
  11. ↑ Wang, Dawei; Hu, Bo; Hu, Chang; Zhu, Fangfang; Liu, Xing; Zhang, Jing; Wang, Binbin; Xiang, Hui; Cheng, Zhenshun; Xiong, Yong; Zhao, Yan; Li, Yirong; Wang, Xinghuan; Peng, Zhiyong (2020). "Clinical Characteristics of 138 Hospitalized Patients With 2019 Novel Coronavirus–Infected Pneumonia in Wuhan, China". JAMA. doi:10.1001/jama.2020.1585. ISSN 0098-7484.
  12. ↑ (PDF) https://www.who.int/docs/default-source/coronaviruse/who-china-joint-mission-on-covid-19-final-report.pdf. Missing or empty |title= (help)
  13. ↑ Wilson, Nick; Kvalsvig, Amanda; Barnard, Lucy Telfar; Baker, Michael G. (2020). "Case-Fatality Risk Estimates for COVID-19 Calculated by Using a Lag Time for Fatality". Emerging Infectious Diseases. 26 (6). doi:10.3201/eid2606.200320. ISSN 1080-6040.
  14. ↑ Huang C, Wang Y, Li X, Ren L, Zhao J, Hu Y, Zhang L, Fan G, Xu J, Gu X, Cheng Z, Yu T, Xia J, Wei Y, Wu W, Xie X, Yin W, Li H, Liu M, Xiao Y, Gao H, Guo L, Xie J, Wang G, Jiang R, Gao Z, Jin Q, Wang J, Cao B (February 2020). "Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China". Lancet. 395 (10223): 497–506. doi:10.1016/S0140-6736(20)30183-5. PMID 31986264.
  15. ↑ Chen N, Zhou M, Dong X, Qu J, Gong F, Han Y, Qiu Y, Wang J, Liu Y, Wei Y, Xia J, Yu T, Zhang X, Zhang L (February 2020). "Epidemiological and clinical characteristics of 99 cases of 2019 novel coronavirus pneumonia in Wuhan, China: a descriptive study". Lancet. 395 (10223): 507–513. doi:10.1016/S0140-6736(20)30211-7. PMID 32007143 Check |pmid= value (help).
  16. ↑ Wang D, Hu B, Hu C, Zhu F, Liu X, Zhang J, Wang B, Xiang H, Cheng Z, Xiong Y, Zhao Y, Li Y, Wang X, Peng Z (February 2020). "Clinical Characteristics of 138 Hospitalized Patients With 2019 Novel Coronavirus-Infected Pneumonia in Wuhan, China". JAMA. doi:10.1001/jama.2020.1585. PMID 32031570 Check |pmid= value (help).
  17. ↑ Wu Z, McGoogan JM (February 2020). "Characteristics of and Important Lessons From the Coronavirus Disease 2019 (COVID-19) Outbreak in China: Summary of a Report of 72 314 Cases From the Chinese Center for Disease Control and Prevention". JAMA. doi:10.1001/jama.2020.2648. PMID 32091533 Check |pmid= value (help).
  18. ↑ Li, Qun; Guan, Xuhua; Wu, Peng; Wang, Xiaoye; Zhou, Lei; Tong, Yeqing; Ren, Ruiqi; Leung, Kathy S.M.; Lau, Eric H.Y.; Wong, Jessica Y.; Xing, Xuesen; Xiang, Nijuan; Wu, Yang; Li, Chao; Chen, Qi; Li, Dan; Liu, Tian; Zhao, Jing; Liu, Man; Tu, Wenxiao; Chen, Chuding; Jin, Lianmei; Yang, Rui; Wang, Qi; Zhou, Suhua; Wang, Rui; Liu, Hui; Luo, Yinbo; Liu, Yuan; Shao, Ge; Li, Huan; Tao, Zhongfa; Yang, Yang; Deng, Zhiqiang; Liu, Boxi; Ma, Zhitao; Zhang, Yanping; Shi, Guoqing; Lam, Tommy T.Y.; Wu, Joseph T.; Gao, George F.; Cowling, Benjamin J.; Yang, Bo; Leung, Gabriel M.; Feng, Zijian (2020). "Early Transmission Dynamics in Wuhan, China, of Novel Coronavirus–Infected Pneumonia". New England Journal of Medicine. doi:10.1056/NEJMoa2001316. ISSN 0028-4793.
  19. ↑ Yang, Yongshi; Peng, Fujun; Wang, Runsheng; Guan, Kai; Jiang, Taijiao; Xu, Guogang; Sun, Jinlyu; Chang, Christopher (2020). "The deadly coronaviruses: The 2003 SARS pandemic and the 2020 novel coronavirus epidemic in China". Journal of Autoimmunity: 102434. doi:10.1016/j.jaut.2020.102434. ISSN 0896-8411.
  20. ↑ https://www.cdc.gov/coronavirus/2019-ncov/cases-in-us.html. Missing or empty |title= (help)
  21. ↑ https://www.cdc.gov/coronavirus/2019-ncov/cases-in-us.html. Missing or empty |title= (help)
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