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- Pfizer and Biontech vaccine shows strong efficacy against serious diseasesYahoo finance
- Pfizer-BioNTech Releases First Long-Term COVID Vaccine ResultsTIME
- Pfizer Shot remains over 91% effective after six monthsBloomberg
- This Simple Change Would Eliminate Much Of The COVID-19 Vaccination ChaosMarketWatch
- Pfizer and BioNTech say their COVID-19 vaccine is safe and highly effective – including against the South African variantMarketWatch
- See full coverage on Google News
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