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Articles on COVID-19 immunity

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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.
View of blood collection tubes in a rack on the first day of a free COVID-19 antibody testing event at the Volusia County Fairgrounds, in DeLand, Florida. Paul Hennessy / Echoes WIre/Barcroft Media via Getty Images

Why COVID-19 immunity passports may violate US law

Amazon and General Motors are among companies exploring ways to test employees for COVID-19 infection, but these measures may be against the law.
It’s not yet clear whether antibodies in the blood of patients who have been infected with SARS-CoV-2 indicate immunity. Above: blood specimens for COVID-19 antibody tests. (AP Photo/Mary Altaffer)

Can antibody tests tell us who is immune to COVID-19?

Immunity to COVID-19 may be complicated. Here are the promises and pitfalls of antibody tests.
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Creating new social divides: how coronavirus is reshaping how we see ourselves and the world around us

Imagine you could only travel if you can prove COVID-19 immunity. The pandemic is already creating new social divides, and it is important we stay alert to their possible ramifications.

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