HomeNewsBusinessTokyo Olympics: Organisers report 28 new COVID-19 cases, total 458 recorded during Games

Tokyo Olympics: Organisers report 28 new COVID-19 cases, total 458 recorded during Games

The new cases included 13 contractors and six Games-Concerned personnels. There were also six volunteers, two Tokyo employees and one from media among the infected.

August 09, 2021 / 11:53 IST
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British archer Bryony Pitman attached one to the arrows in her quiver. (Image: AP)
British archer Bryony Pitman attached one to the arrows in her quiver. (Image: AP)

The Tokyo Olympics organisers on Monday announced 28 new COVID-19 cases, none of them athletes, even as curtains were drawn on the 32nd Games here with a total of 458 infections reported during the showpiece held without spectators.

The new cases included 13 contractors and six Games-Concerned personnels. There were also six volunteers, two Tokyo employees and one from media among the infected.

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Twenty one of them are residents of Japan.

The number of confirmed cases who are residents of Japan stood at 307.

COVID-19 Vaccine
Frequently Asked Questions

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How does a vaccine work?

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.

What does it take to develop a vaccine of this kind?

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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