Understanding the difference between COVID tests can help explain why the rules keep changing.
Articles on Omicron variant
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Omicron may be able to dodge antibodies, but it is no match for our killer T-cells.
People can counter the helplessness felt during the pandemic and build power by creating a sense of purpose and community amid the confusion of COVID-19.
Even with a variant like Omicron that may be more transmissible than earlier variants, vaccines remain the most effective tool for protection against COVID-19 and for ending the pandemic.
The job market continued to improve in December, but a stagnating labor pool will pose more challenges for employers in 2022.
Here’s what we know so far.
A nationwide genomic surveillance system analyzes positive COVID-19 tests to build a picture of which variants are spreading in the population.
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.
The South African government has chosen a pragmatic approach that balances the potential direct and detrimental indirect effects of Covid.
Even minor reductions in COVID transmission rates due to early isolation would justify the additional costs associated with the policy.
Will we now see a proper pandemic recovery?
The prime minister’s inflexibility on the home-testing COVID tests is beyond curious - especially in an election year.
Is South Africa a good comparator for how omicron will play out in the UK?
By prioritising prudence over business support, the chancellor will probably do more harm in the long run.
The Biden administration intends to distribute an additional 500 million at-home rapid COVID tests starting in January.
New omicron cases are doubling approximately every two days in some parts of the UK, including London.
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.
DNA sequencing has allowed researchers to catch new COVID-19 variants hours after receiving the first positive test sample.
A panel of experts answer questions about vaccines, omicron and other COVID-related issues in a discussion with The Conversation.
Top contributors
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Professorial Fellow, University of Canberra
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Professor, Infectious Diseases and Microbiology, The University of Queensland
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Professor of Pathology, Microbiology and Immunology, University of South Carolina
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Associate Professor of Molecular Medicine, UMass Chan Medical School
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Professor of Pathology, Microbiology and Immunology, University of South Carolina
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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
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Professor, School of Biomedical Sciences and Pharmacy, University of Newcastle
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Canada Research Chair in Aging & Immunity, McMaster University
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Professor and Department Chair of Infectious Diseases and Microbiology, University of Pittsburgh
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Adjunct Professor: Department Internal Medicine, University of Pretoria
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Professor of Medicine, University of East Anglia
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Professor, Biology, York University, Canada
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Principal Medical Scientist at National Institute for Communicable Diseases (NICD), National Institute for Communicable Diseases
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Senior Lecturer, Medical Microbiology, University of Westminster
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Research scientist, Manaaki Whenua - Landcare Research