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It is 2021, we are in the middle of a pandemic. We have waited for them for months, and now they are here: the vaccines against Covid-19. But besides the hope for the end of this pandemic, they brought doubts and worries: “Do they really work?”, “I’ve heard that some people died from it.”, “How bad are the side effects?”

So what else can we do other than carefully evaluating all the news articles, explanations from virologists and other experts or reading studies on that matter? We can look at real data and get a feeling for it. …

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