- Canada suspends AstraZeneca vaccine for adults 55 and under MarketWatch
- Canada halting AstraZeneca vaccine shots for people 55 and younger CNN
- Canada pauses use of AstraZeneca vaccine in people under 55 CBC News
- No more drama in communicating about vaccine effectiveness The Boston Globe
- Immune response may be linked to AstraZeneca vaccine clot issue; death risk rising among young adults in Brazil Yahoo News
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