gracielle
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UPDATE: 26 February 2021
medicalxpress.com

Comparing COVID-19 vaccines: How are they different?
Even if you're still waiting for a vaccine, watching the first people get their COVID-19 vaccinations may have felt like a huge relief. As the weeks pass, countless reports are coming out about the effectiveness of new vaccines that may be approved. It's important to keep up, but it's also a...