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Articles on Omicron variant

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B.C. Jobs Minister Ravi Kahlon has his COVID-19 vaccine QR code scanned in September, 2021. THE CANADIAN PRESS/Darryl Dyck

Pandemic vaccine passports in Canada: A brief history and potential future

Vaccine passports became one of the most divisive issues of the COVID-19 pandemic. These policies were affected not only by public opinion but by new variants and changing goals for herd immunity.
A mural along Haile Selassie avenue in Nairobi, Kenya. Boniface Muthoni/SOPA Images/LightRocket via Getty Images

Wins, missteps and lessons: African experts reflect on two years of COVID response

It’s a huge cause for concern that, two years into the pandemic, the disparities and unequal power structures in global health are still intact.
The CDC’s new recommendations have caused consternation among the public, the media and even among doctors. Justin Paget/DigitalVision via Getty Images

Clarifying the CDC’s COVID-19 quarantine and isolation guidelines – an infectious disease doc looks at the latest research

The CDC’s controversial recommendation changes are based on new studies showing that most omicron transmission takes place within five days of the onset of illness.
New variants of SARS-CoV-2, the virus that causes COVID-19, arise through mutations when the virus replicates in an infected host’s cells. (NIAID, cropped from original)

How new COVID-19 variants emerge: Natural selection and the evolution of SARS-CoV-2

COVID-19 variants are the products of the evolution of the SARS-CoV-2 virus. They arise via mutations, but other forces also have roles to play in the generation and transmission of variants.
Floors can be tested to predict the level of COVID-19 in an environment. (Oliver Hale/Unsplash)

Swabbing floors to detect COVID-19 could be a useful indicator of the disease’s spread

As we move through the ongoing COVID-19 pandemic, new predictive methods of testing can help monitor the spread of the disease. Environmental testing, like swabbing floors, is a useful tool.
Normalizing the use of masks by vulnerable people during flu season could save many lives, even after the threat of COVID-19 has receded. THE CANADIAN PRESS/Darryl Dyck

A better post-pandemic future means not giving in to COVID-19 now

After two years of COVID-19, it’s understandable that many people are weary of infection prevention measures. But simply being tired of the pandemic is no reason to let our guard down.

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