With New Rare Blood Clot Warning, J&J COVID-19 Vaccine Rollout Resumes In EU

Countries May Impose Age Restrictions

 
• By Andrew McConaghie

Similarities to AstraZeneca blood clots are clear, but more research needed before any ‘class effect’ conclusions can be drawn.

Janssen Leiden Netherlands
The Janssen vaccine's development was co-ordinated in Leiden, The Netherlands. The country was the first in the EU to say it would begin using the shot this week.

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