- Pfizer COVID vaccine likely to protect against UK strain: study Sports Grind Entertainment
- Recipients testing positive in Israel sparks concern over Pfizer vaccine efficacy Global Times
- The Jury Is Still Out on Beijing's 'Vaccine Diplomacy' The Diplomat
- How Alarming Are These Vaccine Scares? Bloomberg
- Wondering when you can get the Covid vaccine? Here's why it's so hard to get an appointment NBC News
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