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  2. Check-in QR code - Wikipedia

    en.wikipedia.org/wiki/Check-in_QR_code

    The venue code (left) and digital sentry (right) used in Shanghai, China. The check-in code or the venue code ( Chinese: 场所 码, Chǎngsuǒgmǎ) is a QR code to record check-in locations for contact tracing and epidemiologic investigations. It was widely used in Australia and China during the COVID-19 pandemic in 2020–2022.

  3. White House Coronavirus Task Force - Wikipedia

    en.wikipedia.org/wiki/White_House_Coronavirus...

    U.S. president Donald Trump and members of the White House Coronavirus Task Force brief the media on March 16, 2020.. The White House Coronavirus Task Force was the United States Department of State task force during the Trump administration, the goal of the Task Force was to coordinate and oversee the administration's efforts to monitor, prevent, contain, and mitigate the spread of ...

  4. 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 ...

  5. NHS Test and Trace - Wikipedia

    en.wikipedia.org/wiki/NHS_Test_and_Trace

    NHS Test and Trace was a government-funded service in England, established in 2020 to track and help prevent the spread of COVID-19. The programme is part of the UK Health Security Agency; the service and the agency are headed by Jenny Harries . The service was the responsibility of the Secretary of State for Health and Social Care and the ...

  6. Health Codes (Chinese mobile app group) - Wikipedia

    en.wikipedia.org/wiki/Health_Codes_(Chinese...

    Health Code ( Chinese: 健康 码, Jiànkāngmǎ) is [needs update] a type of application used during COVID-19 [1] in mainland China. It was used as an e-passport that reports if the user has been in an area with current cases of infection. An applicant provides information such as travel history, residence, and medical records.

  7. EU Digital COVID Certificate - Wikipedia

    en.wikipedia.org/wiki/EU_Digital_COVID_Certificate

    EUDCC QR code displayed on a smartphone Sample EU Digital COVID Certificate issued by the Czech Republic. The EU Digital COVID Certificate (EUDCC), best known in Italy as the Green Pass and in France as the Sanitary Pass or Health Pass (passe sanitaire), was a digital certificate that a person has been vaccinated against COVID-19, tested for infection with SARS-CoV-2, or recovered from COVID ...

  8. COVID-19 apps - Wikipedia

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

    Example proposal for a location-based COVID-19 contact tracing app: Contacts of individual A (and all individuals using the app) are traced using GPS co-localizations with other app users, supplemented by scanning QR codes displayed on high-traffic public amenities where GPS is too coarse. Individual A requests a SARS-COV-2 test (using the app ...

  9. Workplace hazard controls for COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Workplace_hazard_controls...

    Fully vaccinated people who have had close contact should get tested for COVID-19 3–5 days after exposure and be required to wear face coverings for 14 days after their contact unless they test negative for COVID-19. [1]