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  2. Timeline of the COVID-19 pandemic in the United States (2021)

    en.wikipedia.org/wiki/Timeline_of_the_COVID-19...

    January 22. On January 22, the U.S. passed 25 million cases, with one of every 13 Americans testing positive for COVID-19. [24] January 24. On January 24, the Capitol Police announced that 38 police officers have tested positive for COVID-19 since the January 6 riot at the United States Capitol. [25] January 25.

  3. Timeline of the COVID-19 pandemic - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_COVID-19...

    The timeline of the COVID-19 pandemic lists the articles containing the chronology and epidemiology of SARS-CoV-2, [1] the virus that causes the coronavirus disease 2019 ( COVID-19) and is responsible for the COVID-19 pandemic . The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 17 November 2019. [2]

  4. COVID-19 lockdowns - Wikipedia

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

    Another study found a 30% difference among border-counties where stay-at-home orders were imposed. [43] Another study that compared the impact of 'less restrictive interventions' on the spread of COVID-19 in Sweden and South Korea, with mandatory stay-at home orders in 8 other countries, such as France and Spain, did not find evidence for ...

  5. American Rescue Plan Act of 2021 - Wikipedia

    en.wikipedia.org/wiki/American_Rescue_Plan_Act...

    The American Rescue Plan Act of 2021, also called the COVID-19 Stimulus Package or American Rescue Plan, is a US$1.9 trillion economic stimulus bill passed by the 117th United States Congress and signed into law by President Joe Biden on March 11, 2021, to speed up the country's recovery from the economic and health effects of the COVID-19 pandemic and recession. [1]

  6. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...

  7. 2002–2004 SARS outbreak - Wikipedia

    en.wikipedia.org/wiki/2002–2004_SARS_outbreak

    The 2002–2004 outbreak of SARS, caused by severe acute respiratory syndrome coronavirus (SARS-CoV or SARS-CoV-1), infected over 8,000 people from 30 countries and territories, and resulted in at least 774 deaths worldwide. [ 1] The outbreak was first identified in Foshan, Guangdong, China, in November 2002. [ 2]

  8. Timeline of the COVID-19 pandemic in January 2020 - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_COVID-19...

    1 January. Animated map of confirmed COVID-19 cases from 12 January to 29 February 2020. Date when first case in each first-level administration was reported. Xinhua News reported that the Huanan Seafood Market was closed on 1 January 2020 for cleaning and disinfection.

  9. Transmission of COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Transmission_of_COVID-19

    The transmission of COVID-19 is the passing of coronavirus disease 2019 from person to person. COVID-19 is mainly transmitted when people breathe in air contaminated by droplets / aerosols and small airborne particles containing the virus. Infected people exhale those particles as they breathe, talk, cough, sneeze, or sing.