Business
Why vaccine efficacy and effectiveness are not the same thing – ABC News
Efficacy and effectiveness are often used interchangeably when talking about how well a vaccine prevents COVID-19. But there’s a key difference.

CoronaCheck is RMIT ABC Fact Check’s weekly email newsletter dedicated to fighting the misinformation infodemic surrounding the coronavirus outbreak.
You can read the latest edition below, and subscribe to have the next newsletter delivered straight to your inbox.
CoronaCheck #60
In this week’s CoronaCheck, we explain what, exactly, vaccine efficacy figures mean and take a look at the evidence for and against ivermectin as a COVID-19 treatment.
We also gather up fact checking from the US about proposed…
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