How do COVID-19 vaccines compare with other existing vaccines?
From the Medical News Today website
As Pfizer/BioNTech roll out their COVID-19 vaccine throughout the United Kingdom and the United States, the world wonders how effective it will be.
Looking at the three leading vaccines that we have previously reported on, Pfizer/BioNTech boasts 95% efficacy, the Oxford/AstraZeneca vaccine candidate has an average of 70% efficacy, while the Moderna vaccine candidate reportedly has 94.1% efficacy.
But what does this say about their effectiveness? And how does it compare with vaccines against the flu, polio, and measles?
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