Sydney Airport boss says a vaccine passport is crucial to the return of travel | The Business

In This Story: Australia

Australia, officially known as the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It is the largest country in Oceania and the world’s sixth-largest country by total area.

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In This Story: Sydney

Sydney, capital of New South Wales and one of Australia‘s largest cities, is best known for its harbourfront Sydney Opera House, with a distinctive sail-like design.

• Population: 5.23 million (2018)

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In This Story: Vaccine

A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins.

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