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  2. COVID-19 pandemic - Wikipedia

    en.wikipedia.org/wiki/COVID-19_pandemic

    The COVID-19 vaccines are widely credited for their role in reducing the severity and death caused by COVID-19. [ 128 ] [ 129 ] As of March 2023, more than 5.5 billion people had received one or more doses [ 130 ] (11.8 billion in total) in over 197 countries.

  3. COVID-19 apps - Wikipedia

    en.wikipedia.org/wiki/COVID-19_apps

    COVID-19 apps include mobile-software applications for digital contact-tracing—i.e. the process of identifying persons ("contacts") who may have been in contact with an infected individual—deployed during the COVID-19 pandemic.

  4. COVID-19 pandemic in Puerto Rico - Wikipedia

    en.wikipedia.org/wiki/COVID-19_pandemic_in...

    The COVID-19 pandemic in Puerto Rico was an ongoing viral pandemic of coronavirus disease 2019 , a novel infectious disease caused by severe acute respiratory syndrome coronavirus 2 . It is part of the ongoing COVID-19 pandemic. Puerto Rico started addressing the risks of an outbreak in early 2020.

  5. COVID-19 pandemic in the United States - Wikipedia

    en.wikipedia.org/wiki/COVID-19_pandemic_in_the...

    [b] The COVID-19 pandemic also saw the emergence of misinformation and conspiracy theories, [39] and highlighted weaknesses in the U.S. public health system. [17] [40] [41] In the United States, there have been 103,436,829 [3] confirmed cases of COVID-19 with 1,212,505 [3] confirmed deaths, the most of any country, and the 17th highest per ...

  6. COVID-19 - Wikipedia

    en.wikipedia.org/wiki/COVID-19

    Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic . The symptoms of COVID‑19 can vary but often include fever, [ 7 ] fatigue, cough, breathing difficulties , loss of smell , and loss of taste .

  7. COVID-19 testing in the United States - Wikipedia

    en.wikipedia.org/wiki/COVID-19_testing_in_the...

    The first COVID-19 cases in the U.S. and South Korea were identified at around the same time. [21] Critics say the U.S. government has botched the approval and distribution of test kits, losing crucial time during the early weeks of the outbreak, with the result that the true number of cases in the United States was impossible to estimate with ...

  8. SARS-CoV-2 - Wikipedia

    en.wikipedia.org/wiki/SARS-CoV-2

    SARS-CoV-2 is the seventh known coronavirus to infect people, after 229E, NL63, OC43, HKU1, MERS-CoV, and the original SARS-CoV. [105] Like the SARS-related coronavirus implicated in the 2003 SARS outbreak, SARS‑CoV‑2 is a member of the subgenus Sarbecovirus (beta-CoV lineage B). [106] [107] Coronaviruses undergo frequent recombination. [108]

  9. List of COVID-19 apps - Wikipedia

    en.wikipedia.org/wiki/List_of_COVID-19_apps

    COVID-19 apps, including mobile-software applications on iOS and Android for digital contact-tracing: Aarogya Setu; BlueTrace; careFIJI; Coronavirus Australia; Corona-Warn-App [1] COVID-19 Contact-Confirming Application; COVID Alert (Canada) [2] COVID AlertSA (South Africa) COVIDSafe; COVID Symptom Study; COVID Tracker Ireland; Covid Watch