Coronavirus Vaccine: Pfizer Announces Theirs Is 90% Effective



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  • Drafting
  • BBC World News

The coronavirus vaccine jointly developed by Pfizer and BioNTech is 90% effective and prevents people from contracting COVID-19, according to preliminary analysis.

Pfizer and BioNTech have described the news as a “great day for science and for humanity “.

The vaccine has been tested in 43,500 people in six countries and has not caused any safety concerns so far.

Both companies plan to apply for an emergency approval to use the vaccine before the end of the month.

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