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What does “95% vaccination efficacy”​ really mean?

Before COVID19, vaccine production and testing wasn’t something families discussed over the dinner table. But now, we have daily news ...
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The Pfizer and BioNTech vaccine candidate news

The Pfizer and BioNTech vaccine candidate news – what does it all mean? By Candela Iglesias Chiesa, MPH, PhD  … The ...
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How common are asymptomatic COVID19 infections?

How common are asymptomatic COVID19 infections and why is this so important? By Candela Iglesias and Joanne Fielding Since the ...
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Why do disinfectants clean the virus, but can’t be injected?

Why do disinfectants clean the virus from surfaces and our hands, but can’t be used inside the body? By Candela Iglesias and Joanne ...
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The difference between correlation and causation

Understanding the difference between correlation and causation – of shark attacks and ice cream sales By Candela Iglesias and Joanne Fielding The graph ...
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What’s the deal with COVID19 testing?

What’s the deal with COVID19 testing? Why can’t I get a test if I think I have it? We’ve been ...
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COVID19 FAQ’s – How can I prepare?

COVID19 FAQ’s – How can I prepare? I’m worried. Is there something I can do to prepare? We have been ...
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