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Articles on COVID-19 variants

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Luis Ascui/AAP

What’s the ‘Indian’ variant responsible for Victoria’s outbreak and how effective are vaccines against it?

The COVID-19 variant responsible for Victoria's latest outbreak is one of three Indian variant sub-types, which spreads more easily than the original strain. Here's what we know so far.
This giant effigy of the SARS-CoV-2 coronavirus is intended to be burned as part of the Holika Dahan, during which the demon Holika is led to the stake on the eve of the Holi celebrations, a popular Hindu festival. Sujit Jaiswal/AFP

RNA vaccines: what protection do they provide against Covid-19 variants?

One of the main fears regarding new SARS-CoV-2 variants is that they might be resistant to immunity granted by vaccines, including RNA vaccines.
Anita Anand, Canada’s minister of public services and procurement, opens a box with some of the first 500,000 of the two million AstraZeneca COVID-19 vaccine doses that Canada secured last March through a deal with the Serum Institute of India. THE CANADIAN PRESS/Carlos Osorio - POOL

Canada is virtue signalling while waffling on global access to COVID-19 vaccines

Despite some public virtue signalling, the Canadian government is not doing all it can to improve global access to COVID-19 vaccines. Canada has yet to announce its position on the WTO patent waiver.
Sequencing the whole genome of patient virus samples lets scientists watch for new variants. Sergei Malgavko/TASS via Getty Images

Where coronavirus variants emerge, surges follow – new research suggests how genomic surveillance can be an early warning system

By merging genomics with classical epidemiology, researchers are able to predict new disease outbreaks based on which viral variants are on the rise.

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