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What is Known About COVID-19 Vaccines

  • August 15, 2020

There are more than 200 COVID-19 vaccines in development as drug companies race to be first to develop a successful vaccine and, so far, clinical trials have produced mixed findings. Scientists, using both newer and traditional technologies, have reported both positive and negative outcomes, including side effects such as fatigue and chills, and a more serious risk with one vaccine that actually enhances the disease. Source: MedPage Today August 6, 2020