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In early 2020, the COVID-19 novel coronavirus was declared a pandemic. We know when a pandemic starts: it’s when a new virus is found all over the world. But when does one end? Find out in this short video. Because it’s a video from the summer of 2020, we already know how some of the […]

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Vaccines are developed in a variety of ways. Most commonly, we think of a vaccine as containing a bit of the disease it’s fighting. That little bit of the disease teaches our immune system to develop antibodies. But the Covid-19 vaccines work differently. They send a message to our RNA to help build our immune […]

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One way to stop an epidemic (even of pandemic proportions) is through vaccinations which increase immunity within the population and prevent viruses from spreading. We call that collective protection, “herd immunity.” Depending on how infectious a virus or disease is, herd immunity needs a greater or lesser proportion of the population to be vaccinated. For […]

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