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A volunteer gets an injection of Moderna’s possible COVID-19 vaccine on July 27, 2020. Moderna announced Nov. 16 that its vaccine is proving highly effective in a major trial. (AP Photo/Hans Pennink)

COVID-19 vaccines: How Pfizer’s and Moderna’s 95% effective mRNA shots work

Two pharma companies have announced early COVID-19 vaccine trial results with over 90 per cent effectiveness. What does that mean for getting back to normal?
A lab technician sorts blood samples inside a lab for a COVID-19 vaccine study at the Research Centers of America in Hollywood, Fla., on Aug. 13, 2020. Chandan Khanna/AFP via Getty Images

Why scientists and public health officials need to address vaccine mistrust instead of dismissing it

People who oppose vaccines often are dismissed as ignorant or naive. Failing to hear their concerns and address them may only be fueling vaccine resistance, however.
An 1801 etching of a dandified physician taking a lancet to a ‘dindonnade,’ a word signifying both ‘turkey’ and ‘hoax.’ It ridicules the smallpox vaccine, which takes fluid from an animal to insert into a human. (Wellcome Collection)

COVID-19 anti-vaxxers use the same arguments from 135 years ago

The history of anti-vaccination theories can help us understand how such claims capture a popular following. The same misinformation used against 19th century smallpox vaccine is still in use today.
The arrival of flu season will put more pressure on hospitals already facing the coronavirus pandemic. Jeffrey Basinger/Newsday via Getty Images

What happens when COVID-19 and influenza collide? Can hospitals handle the strain?

Pandemic policy experts offer 10 recommendations that could reduce the risk that a bad flu season on top of the COVID-19 pandemic will overwhelm hospitals.
On Aug. 11, Russian President Vladimir Putin announced that a coronavirus vaccine developed in the country has been registered for use. Russian Health Ministry/Handout/Anadolu Agency via Getty Images

A COVID-19 vaccine needs the public’s trust – and it’s risky to cut corners on clinical trials, as Russia is

As Russia fast tracks a coronavirus vaccine, scientists worry about skipped safety checks – and the potential fallout for trust in vaccines if something ends up going wrong.

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