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  2. 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. [6] [7] [8] 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; [9] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...

  3. Vaccine passports during the COVID-19 pandemic - Wikipedia

    en.wikipedia.org/wiki/Vaccine_passports_during...

    The QR code can also be physically printed out. [112] New Brunswick requires a Proof of Vaccination system using original immunisation records. [113] Newfoundland and Labrador has plans to release a QR code based system for their vaccine passport. [114] Nova Scotia has a Proof of Full Vaccination Policy using original government issued proof of ...

  4. 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.

  5. 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.

  6. Timeline of computer viruses and worms - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_computer...

    September 9: The virus, called "here you have" or "VBMania", is a simple Trojan horse that arrives in the inbox with the odd-but-suggestive subject line "here you have". The body reads "This is The Document I told you about, you can find it Here" or "This is The Free Download Sex Movies, you can find it Here".

  7. EICAR test file - Wikipedia

    en.wikipedia.org/wiki/EICAR_test_file

    The EICAR Anti-Virus Test File[1] or EICAR test file is a computer file that was developed by the European Institute for Computer Antivirus Research (EICAR) and Computer Antivirus Research Organization (CARO) to test the response of computer antivirus (AV) programs. [2] Instead of using real malware, which could cause real damage, this test ...

  8. Coronaviridae - Wikipedia

    en.wikipedia.org/wiki/Coronaviridae

    Coronaviridae is a family of enveloped, positive-strand RNA viruses which infect amphibians, birds, and mammals. Commonly referred to as coronaviruses in the English language, the family coronaviridae includes the subfamilies Letovirinae and Orthocoronavirinae; the latter also known as coronavirinae. The viral genome is 26–32 kilobases in length.

  9. SafeEntry - Wikipedia

    en.wikipedia.org/wiki/SafeEntry

    SafeEntry was a national check-in system which enables the logging of visitors at various locations during the COVID-19 pandemic in Singapore, allowing health authorities to track and isolate confirmed clusters. It was used in tandem with TraceTogether, the national contact tracing platform in Singapore. The system was deactivated on 9 February ...

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