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  2. Vaccination requirements for international travel - Wikipedia

    en.wikipedia.org/wiki/Vaccination_requirements...

    From some countries. Travellers who wish to enter or leave certain countries must be vaccinated against polio, usually at most twelve months and at least four weeks before crossing the border, and be able to present a vaccination record/certificate at the border checks. [3] : 25–27 Most requirements apply only to travel to or from so-called ...

  3. 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 ...

  4. Machine-readable passport - Wikipedia

    en.wikipedia.org/wiki/Machine-readable_passport

    The data of the machine-readable zone in a TD1 size card consists of three rows of 30 characters each. The only characters used are A–Z, 0–9 and the filler character <. Some official travel documents are in the larger ID-2 size, 105.0 × 74.0 (4.13 × 2.91 in). They have a layout of the MRZ with two rows of 36 characters each, similar to ...

  5. What you need to know about QR code scams and how to ... - AOL

    www.aol.com/know-qr-code-scams-stay-204500807.html

    Trust your gut. Sharp instincts can also help users avoid the quishing traps. Be wary of improbable deals and emotional appeals, and never disclose personal information like Social Security ...

  6. Boarding pass - Wikipedia

    en.wikipedia.org/wiki/Boarding_pass

    A boarding pass or boarding card is a document provided by an airline during airport check-in, giving a passenger permission to enter the restricted area of an airport (also known as the airside portion of the airport) and to board the airplane for a particular flight. At a minimum, it identifies the passenger, the flight number, the date, and ...

  7. Travel document - Wikipedia

    en.wikipedia.org/wiki/Travel_document

    A travel document is an identity document issued by a government or international entity pursuant to international agreements to enable individuals to clear border control measures. Travel documents usually assure other governments that the bearer may return to the issuing country, and are often issued in booklet form to allow other governments ...

  8. Visa policy of South Korea - Wikipedia

    en.wikipedia.org/wiki/Visa_policy_of_South_Korea

    v. t. e. The visa policy of South Koreaallows citizens of certain countries to enter South Korea without a visa (Korea Electronic Travel Authorization (K-ETA) or without a K-ETA at all. Citizens of certain other countries are required to have a visa from one of the South Korean diplomatic missions. [1][2] Visa policy map.

  9. Travel during the COVID-19 pandemic - Wikipedia

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

    A COVID-19 testing centre for travellers at Heathrow Airport. During the COVID-19 pandemic, many countries and territories imposed quarantines, entry bans, or other travel restrictions for citizens of or recent travelers to the most affected areas. [1] Some countries and territories imposed global restrictions that apply to all foreign ...

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