- No, It’s Not Surprising That A California Nurse Got COVID-19 After His First Vaccine ShotHuffPost
- Vaccinated US nurse contracts COVID-19, expert says Pfizer shot needed more time to work – ABCYahoo! Voices
- 1st US case of mutation of COVID-19 detected in ColoradoABC News
- The Guardian view on responding to the Covid-19 surge: not enoughThe Guardian
- Covid-19 and Vaccine News: Live UpdatesThe New York Times
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