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Articles on SARS-CoV-2

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In the reluctance to vaccinate, there is a lack of trust and understanding of the scientific process. Better communication would help rebuild bridges. The Canadian Press/Paul Chiasson

A researcher’s view on COVID-19 vaccine hesitancy: The scientific process needs to be better explained

Before the pandemic, the public perceived science as infallible and inaccessible. But the opening up of research to the general public has changed that perception.
The huge number of active coronavirus infections offers plenty of opportunity for mutations to occur and new variants to arise. Eoneren/E+ via Getty Images

Massive numbers of new COVID–19 infections, not vaccines, are the main driver of new coronavirus variants

When the coronavirus copies itself, there is a chance its RNA will mutate. But new variants must jump from one host to another, and the more infections there are, the better chance this will happen.
People getting vaccinated may still have questions about COVID-19 vaccines, like why it takes two doses — and then two weeks — to take full effect. THE CANADIAN PRESS/Ryan Remiorz

I work at a COVID-19 vaccine clinic. Here’s what people ask me when they’re getting their shot — and what I tell them

A medical student answers questions he gets asked at a COVID-19 vaccine clinic: Efficacy versus real-world effectiveness, immune response and how the mRNA vaccines compare to vaccines already in wide use.
By better communicating how vaccines boost the immune system’s long term “memory”, manufacturers could address vaccine hesitancy. i_am_zews/Shutterstock

COVID-19 vaccines produce T-cell immunity that lasts and works against virus variants

Cell-mediated immunity is particularly effective at eradicating viruses, and more durable. This is important in the fight against COVID-19.
Italians must now present a form of vaccine passport called a ‘Green Pass’ to enter many indoor establishments. Xinhua News Agency via Getty Images

Italy – once overwhelmed by COVID-19 – turns to a health pass and stricter measures to contain virus

After enduring a devastating wave of infections, deaths and lockdowns at the start of the pandemic, Italy is putting in place tougher anti-COVID measures, including a vaccine passport.
Shutterstock

We studied how to reduce airborne COVID spread in hospitals. Here’s what we learnt

We found two small air cleaners in a single hospital room could clear 99% of potentially infectious COVID aerosols within 5.5 minutes.
Mick Tsikas/AAP

We can’t rely solely on arbitrary vaccination levels to end lockdowns. Here are 7 ways to fix Sydney’s outbreak

NSW needs to mandate masks outdoors, provide adequate financial support, set up a ‘ring of steel’, use rapid tests for essential workers, and ensure cases not in full isolation get to zero, among others.

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