Tag Archives: COVID-19 vaccines

Whose freedom is the ‘freedom convoy’ fighting for? Not everyone’s

A person holds a sign for the “freedom convoy” a cross-country convoy protesting a federal vaccine mandate for truckers, as people rally against COVID-19 restrictions on Parliament Hill. THE CANADIAN PRESS/Justin Tang Gerald Walton, Lakehead University The so-called “freedom convoy” has captured worldwide attention as a minority of truckers and their supporters have asserted their right to assemble and oppose …

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Omicron may reach millions before vaccines do – but that doesn’t mean race to vaccinate the world is over

Michael Head, University of Southampton The pandemic is accelerating. It’s estimated that there could be 3 billion new infections globally over the next three months thanks to the highly infectious omicron variant. Large outbreaks are ongoing across Europe and North America and cases are also rising in many other countries. Omicron has now reached most corners of the world – …

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Omicron FAQ: How is it different from other variants? Is it a ‘super-variant?’ Can it evade vaccines? How transmissible is it?

The Omicron variant has been confirmed in all continents except Antarctica. (Pixabay/Canva) Dasantila Golemi-Kotra, York University, Canada Omicron, the first COVID-19 variant to have been upgraded to a variant of concern (VOC) by the World Health Organization (WHO) in a matter of days, came on the radar of the Lancet Laboratory in South Africa, on Nov. 8, although it is …

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COVID-19 vaccine inequity allowed Omicron to emerge

While people in the wealthy West have had preferred access to multiple rounds of vaccines, vast numbers of people, especially in Africa and on the Indian subcontinent, haven’t received a single dose. (Pixabay/Canva) Dawn ME Bowdish, McMaster University and Chandrima Chakraborty, McMaster University Canada’s COVID-19 vaccination rate is 76 per cent — 10 times higher than it is across the …

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Will omicron – the new coronavirus variant of concern – be more contagious than delta? A virus evolution expert explains what researchers know and what they don’t

The omicron variant possesses numerous mutations in the spike protein, the knob-like protrusions (in red) that allow the virus to invade other cells. Juan Gaertner/Science Photo Library via Getty Images Suresh V. Kuchipudi, Penn State A new variant named omicron (B.1.1.529) was reported by researchers in South Africa on Nov. 24, 2021, and designated a “variant of concern” by the …

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Are new COVID variants like Omicron linked to low vaccine coverage? Here’s what the science says

Shutterstock Jennifer Juno, The Peter Doherty Institute for Infection and Immunity and Adam Wheatley, The University of Melbourne The emergence of a new SARS-CoV-2 variant of concern, Omicron, has reignited global discussions of vaccine distribution, virus mutation, and immunity against new virus strains. Some experts have suggested the emergence of a new strain could be a result of low levels …

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Novavax COVID vaccine is nearing approval – but what impact will it have?

oasisamuel/Shutterstock Michael Head, University of Southampton The pandemic has been rumbling on for two years and is probably going to rumble on for years to come. And despite recent excitement about new drugs to treat COVID, it’s still vaccines that will underpin each country’s route out of the pandemic. Immunisation has proven a highly effective way of stopping people from …

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Want to know about vaccine rollouts in Africa? Click on a country here and find out

Shutterstock Catherine Kyobutungi, African Population and Health Research Center There has been a lot of focus on COVID-19 vaccine inequalities between high-income and low- and middle-income countries. For instance, it is estimated that up to 70% of all vaccines to be produced in 2021 were pre-booked by a handful of countries. This has caused severe bottlenecks in vaccine supply to …

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Q+A: COVID vaccine boosters – who will receive them and why are they being given?

ShotPrime Studio/Shutterstock Sarah Pitt, University of Brighton After consulting its vaccine advisers, the UK government is launching its much-discussed COVID-19 vaccine booster programme. From the week beginning September 20 2021, a third dose will be offered to all people who were prioritised in the first wave of the UK’s vaccine rollout. This includes all residents and staff of care homes, …

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