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COVID-19 pandemic

Pandemic caused by SARS-CoV-2 / From Wikipedia, the free encyclopedia

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The COVID-19 pandemic, also known as the coronavirus pandemic, is a global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identified in an outbreak in the Chinese city of Wuhan in December 2019. Attempts to contain it there failed, allowing the virus to spread to other areas of Asia and later worldwide in 2020. The World Health Organization (WHO) declared the outbreak a public health emergency of international concern (PHEIC) on 30 January 2020. The WHO ended its PHEIC declaration on 5 May 2023. As of 29 September 2023, the pandemic had caused 770,874,669[3] cases and 6,959,303[3] confirmed deaths, ranking it fifth in the deadliest epidemics and pandemics in history.

Quick facts: COVID-19 pandemic, Cases per capita, Disease...
COVID-19 pandemic
Covid-19_SP_-_UTI_V._Nova_Cachoeirinha.jpg
Medical professionals treating a COVID-19 patient in critical condition in an intensive care unit in São Paulo in May 2020
COVID-19_Outbreak_World_Map_Total_Deaths_per_Capita.svg
Confirmed deaths per 100,000 population
as of 19 May 2023
Cases per capita
COVID-19_Outbreak_World_Map_per_Capita.svg
Cumulative percentage of population infected
as of 19 March 2022
  •   >10%
  •   3–10%
  •   1–3%
  •   0.3–1%
  •   0.1–0.3%
  •   0.03–0.1%
  •   0–0.03%
  •   None or no data
DiseaseCoronavirus disease 2019 (COVID-19)
Virus strainSevere acute respiratory syndrome
coronavirus 2
(SARS‑CoV‑2)
SourceBats,[1] indirectly[2]
LocationWorldwide
Index caseWuhan, China
30°37′11″N 114°15′28″E
Public health emergency of international concern: 30 January 2020 – 5 May 2023 (3 years, 3 months and 5 days)
Confirmed cases770,874,669[3]
Deaths
6,959,303[3] (reported)
17.5–31.4 million[4] (estimated)
Fatality rate1.02%[5]
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COVID-19 symptoms range from asymptomatic to deadly, but most commonly include fever, nocturnal cough, and fatigue. Transmission of the virus is often through airborne particles. Mutations have produced many strains (variants) with varying degrees of infectivity and virulence.[6]

COVID-19 vaccines were widely deployed in various countries since December 2020. Treatments include novel antiviral drugs and symptom control. Common mitigation measures during the public health emergency included travel restrictions, lockdowns, business restrictions and closures, workplace hazard controls, mask mandates, quarantines, testing systems, and contact tracing of the infected.

The pandemic caused severe social and economic disruption around the world, including the largest global recession since the Great Depression.[7] Widespread supply shortages, including food shortages, were caused by supply chain disruptions and panic buying. Reduced human activity led to an unprecedented decrease in pollution. Educational institutions and public areas were partially or fully closed in many jurisdictions, and events were cancelled or postponed during 2020 and 2021. Many white-collar workers began working from home. Misinformation circulated through social media and mass media, and political tensions intensified. The pandemic raised issues of racial and geographic discrimination, health equity, and the balance between public health imperatives and individual rights.