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The COVID-19 pandemic topic is running into PEIS issues, which among other problems is causing citation display errors. The solution below illustrates mainspace article equivalent of COVID-19 pandemic data template transcluded in part into the Epidemiology section of this page. When transcluded, the reference column is removed and all references are replaced with a notice instructing the user to see the main data article for references. This approach builds upon the solution developed by User:Tenryuu. Table below transcluded from this article.

NOTE: ALL COUNTRIES CAN BE INCLUDED. LIMITED SUBSET WERE SELECTED FOR DEMONSTRATION PURPOSES.

Epidemiology

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For country-level data references, see User:Wikmoz/sandbox/code.
<templatestyles src="COVID-19 pandemic data/styles.css"/>

|+ COVID-19 pandemic data by location

Location[1][a] Cases[b] Deaths[c] Recov.[d]
 
 World[e] 676,609,955 6,881,955
  United States[f] 3,834,208 142,601 1,117,084
  Brazil[g] 2,099,896 79,533 1,371,229
  India
  Russia[h] 771,546 12,342 550,344
  South Africa 364,328 5,033 191,059
  Peru 353,590 13,187 241,955
  Mexico 344,224 39,184 217,423
  Chile[i] 330,930 8,503 301,794
  United Kingdom[j] 294,792 45,318 No data
  Iran 273,788 14,188 237,788
  Pakistan 263,496 5,568 204,276
As of 3 August 2020 (UTC) · History of cases · History of deaths
References
Please see COVID-19 data by location for country-level data references.
Notes
  1. ^ Location: Countries, territories, and international conveyances where cases were diagnosed. The nationality of the infected and the origin of infection may vary. For some countries, cases are split into respective territories and noted accordingly.
  2. ^ Cases: This number shows the cumulative number of confirmed human cases reporte]d to date. The actual number of infections and cases is likely to be higher than reported.[1] Reporting criteria and testing capacity vary between locations.
    The total number of cases may not necessarily represent an aggregate sum of all entries in this column as it relies on aggregate sources and not local sources.
  3. ^ Deaths: Reporting criteria vary between locations.
    The total number of deaths may not necessarily represent an aggregate sum of all entries in this column as it relies on aggregate sources and not local sources.
  4. ^ Recoveries: May not correspond to actual current figures and not all recoveries may be reported. Reporting criteria vary between locations.
    The total number of recoveries may not necessarily represent an aggregate sum of all entries in this column as it relies on aggregate sources and not local sources.
  5. ^ World
    1. Total numbers worldwide. Some locations, including North Korea, have yet to report cases.
  6. ^ United States
    1. Figures include cases identified on the Grand Princess.
    2. Figures do not include the unincorporated territories of Puerto Rico, Guam, Northern Mariana Islands, and U.S. Virgin Islands, all of which are listed separately.
    3. Not all states or overseas territories report recovery data.
    4. Cases include clinically diagnosed cases as per CDC guidelines.[1]
    5. Recoveries and deaths include probable deaths and people released from quarantine as per CDC guidelines.[1]
    6. Figures from the United States Department of Defense are only released on a branch-by branch basis since April 2020, without distinction between domestic and foreign deployment, and cases may be reported to local health authorities.[1]
    7. Cases for the USS Theodore Roosevelt, currently docked at Guam, are reported separate from national figures but included in the Navy's totals.
    8. There is also one case reported from Guantanamo Bay Naval Base not included in any other nation or territory's counts.[1] Since April 2020, the United States Department of Defense has directed all bases, including Guantanamo Bay, to not publish case statistics.[1]
  7. ^ Brazil
    1. Since 6 June, the Brazilian government has ordered the Ministry of Health to stop reporting the total number of deaths and active cases.[1] After this, the National Council of Health Secretaries assumed the function of reporting the total number of deaths and active cases.[1]
  8. ^ Russia
    1. Including cases from the disputed Crimea and Sevastopol.
    2. Excluding the cases from Diamond Princess cruise ship which are classified as "on an international conveyance".
  9. ^ Chile
    1. Including the special territory of Easter Island.
    2. The Chilean Ministry of Health considered all cases as a "recovered" after 14 days since the initial symptoms of the virus, no matter the health situation of the infected or if following tests indicate the continuing presence of the virus. The only exception were casualties, which are not included as recovered.[1]
    3. Deaths only include cases with positive PCR tests and catalogued as "COVID-19 related death" by the Civil Registry and Identification Service. This number is informed on the daily reports of the Ministry of Health. A report with the total number of deaths, including suspected cases without PCR test, is released weekly since 20 June 2020.[1] In the latest report (11 July 2020), the number of total deaths is 11,227.[1]
  10. ^ United Kingdom
    1. Excluding all British Overseas Territories and Crown dependencies.
    2. As of 23 March 2020, the UK government does not publish the number of recoveries. The last update on 22 March reported 135 recovered patients.[1]
    3. Publication of death data is suspended from 17 July until further notice. The latest figure is for 15 July.[1]

Background

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On 31 December 2019, the World Health Organization (WHO) got reports from health authorities in China of a cluster of viral pneumonia cases of unknown cause in Wuhan, Hubei,[345][346] and an investigation was launched at the start of January 2020.[347] On 30 January, the WHO declared the outbreak a Public Health Emergency of International Concern (PHEIC)—7,818 cases confirmed globally, affecting 19 countries in five WHO regions.[348][7]

Several early infected people had visited Huanan Seafood Wholesale Market;[349] the virus is therefore thought to be of zoonotic origin.[350] The virus that caused the outbreak is known as SARS‑CoV‑2, a newly discovered virus closely related to bat coronaviruses,[351] pangolin coronaviruses,[352][353] and SARS-CoV.[354] The scientific consensus is that COVID-19 has a natural origin.[355][356] The probable bat-to-human infection may have been among people processing bat carcasses and guano in the production of traditional Chinese medicines.[357]

The earliest known person with symptoms was later discovered to have fallen ill on 1 December 2019, and that person did not have visible connections with the later wet market cluster.[358][359] Of the early cluster of cases reported that month, two-thirds were found to have a link with the market.[360][361][362] On 13 March 2020, an unverified report from the South China Morning Post suggested a case traced back to 17 November 2019 (a 55-year-old from Hubei) may have been the first person infected.[363][364]

The WHO recognised the spread of COVID-19 as a pandemic on 11 March 2020[8] as Italy, Iran, South Korea, and Japan reported surging cases. The total numbers outside China quickly surpassed China's.[365]

Cases

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Official case counts refer to the number of people who have been tested for COVID-19 and whose test has been confirmed positive according to official protocols.[366] As of 24 May, countries that publicised their testing data have typically performed many tests equal to 2.6 percent of their population, while no country has tested samples equal to more than 17.3 percent of its population.[367] Many countries, early on, had official policies to not test those with only mild symptoms.[368][369] An analysis of the early phase of the outbreak up to 23 January estimated 86 percent of COVID-19 infections had not been detected, and that these undocumented infections were the source for 79 percent of documented cases.[370] Several other studies, using a variety of methods, have estimated that numbers of infections in many countries are likely to be considerably greater than the reported cases.[371][372]

On 9 April 2020, preliminary results found that 15 percent of people tested in Gangelt, the centre of a major infection cluster in Germany, tested positive for antibodies.[373] Screening for COVID-19 in pregnant women in New York City, and blood donors in the Netherlands, has also found rates of positive antibody tests that may indicate more infections than reported.[374][375] However, such antibody surveys can be unreliable due to a selection bias in who volunteers to take the tests, and due to false positives. Some results (such as the Gangelt study) have received substantial press coverage without first passing through peer review.[376]

Analysis by age in China indicates that a relatively low proportion of cases occur in individuals under 20.[377] It is not clear whether this is because young people are less likely to be infected, or less likely to develop serious symptoms and seek medical attention and be tested.[378] A retrospective cohort study in China found that children were as likely to be infected as adults.[379] Countries that test more, relative to the number of deaths, have a younger age distribution of cases, relative to the wider population.[380]

  1. ^ a b c d e f g h i j k l m n For supporting references and country-level data sources, visit COVID-19 data by location.
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