- Pfizer COVID-19 vaccine works well in big ‘real world’ test Associated Press
- COVID In Colorado: Vaccines Can Cause Worrisome Side Effect For Women CBS Denver
- Covid-19 vaccines: the growing evidence they can reduce transmission Vox.com
- Aged care residents given a higher dose of Pfizer COVID-19 vaccine. What’s the danger? | ABC News ABC News (Australia)
- A single shot of Pfizer and BioNTech’s COVID-19 vaccine reduces the risk of infection by 70%, the first real-world UK data suggests Yahoo! Voices
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