A dispute between the Chicago Teachers Union and the school district over in-person learning has resulted in classes being canceled. An education policy expert explains what is at stake.
Holidaymakers relax on the South Beach during New Year festivities in Durban after the government lifted COVID-19 restrictions.
Photo by Rajesh Jantilal/AFP via Getty Images
Some vaccine hesitancy is based on a fear of the nanoparticles used in mRNA vaccines. But humans have been interacting with nanoparticles for millennia, and we use nanotechnology-based devices every day.
Fewer people in deprived areas have been receiving the COVID booster shots.
Sequencing the genome of a virus gives researchers information on how mutations can affect its transmissibility and virulence.
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DNA sequencing has allowed researchers to catch new COVID-19 variants hours after receiving the first positive test sample.
With the holiday season approaching, people wait to receive a COVID-19 vaccination in Montréal as the pandemic continues in Canada and around the world.
THE CANADIAN PRESS/Graham Hughes
The revolt over new restrictions comes in stark contrast to support of other draconian laws.
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.
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In places with low vaccination rates, COVID-19 has the chance to linger, and variants develop and travel. Without global vaccine equity, this entirely predictable pattern will repeat itself.
Dean Faculty of Health Sciences and Professor of Vaccinology at University of the Witwatersrand; and Director of the SAMRC Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand