The COVID-19 pandemic isn’t slowing down, and there is only one hope to end it: a vaccine. But news of Russia granting regulatory approval to a Covid-19 vaccine has been received with skepticism by leading health experts like Anthony Fauci. While Russia may be the first country to approve one, thousands of scientists across the world are working on more than 150 vaccines. What is their research showing? And when will they be ready? Normally, it takes years to develop a new vaccine. But in times of this pandemic, it can’t go fast enough.
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