HomeNewsTrendsTravelIndians with travel plans to Canada struggling with the norm to take RT-PCR test in third country

Indians with travel plans to Canada struggling with the norm to take RT-PCR test in third country

The students and parents are demanding that the issue of Indian RT-PCR tests not being accepted should be taken up by India with the Canadian government, saying the current procedure is not only inconvenient but also highly expensive.

August 20, 2021 / 16:32 IST
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A flight from India to Dubai, a nine-hour layover to take a flight to Barcelona, from there to Mexico and a two-day stay for an RT-PCR test, and then finally a plane to Vancouver – that's what it took 19-year-old Lareina Kumar before she arrived at the university of her dreams in Canada.

Kumar's trip to four countries is not part of a tourism itinerary. She did not have a choice as Canada restricted direct flights from India in view of the Covid situation during second wave and also because it doesn't accept an RT-PCR test done in India.

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With the consecutive extension of the ban on direct flights, the only way for Indian students who have got admission to Canada varsities is to take a connecting flight to Canada where they will have to obtain a negative RT-PCR certificate from a third country. That third country has to be on the approved list of Canada.

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A vaccine works by mimicking a natural infection. A vaccine not only induces immune response to protect people from any future COVID-19 infection, but also helps quickly build herd immunity to put an end to the pandemic. Herd immunity occurs when a sufficient percentage of a population becomes immune to a disease, making the spread of disease from person to person unlikely. The good news is that SARS-CoV-2 virus has been fairly stable, which increases the viability of a vaccine.

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There are broadly four types of vaccine — one, a vaccine based on the whole virus (this could be either inactivated, or an attenuated [weakened] virus vaccine); two, a non-replicating viral vector vaccine that uses a benign virus as vector that carries the antigen of SARS-CoV; three, nucleic-acid vaccines that have genetic material like DNA and RNA of antigens like spike protein given to a person, helping human cells decode genetic material and produce the vaccine; and four, protein subunit vaccine wherein the recombinant proteins of SARS-COV-2 along with an adjuvant (booster) is given as a vaccine.

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Vaccine development is a long, complex process. Unlike drugs that are given to people with a diseased, vaccines are given to healthy people and also vulnerable sections such as children, pregnant women and the elderly. So rigorous tests are compulsory. History says that the fastest time it took to develop a vaccine is five years, but it usually takes double or sometimes triple that time.
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