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Norway reviewing deaths of frail and elderly patients vaccinated against Covid-19
By Amanda Sealy, Sarah Dean & Ivana Kottasová
29 dead in Norway after getting vaccinated: What we know so far
Covid Vaccine Safety: Side Effects in Context
By Jason Gale & John Lauerman
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The Pfizer vaccine may not be the best choice for frail people, but it's too early to make firm conclusions
By Nathan Bartlett
Chinese health experts advise Australia to halt approval for Pfizer vaccine following Norwegian deaths
By Zhang Hui
Norway advises caution in use of Pfizer vaccine for the most frail
By Ludwig Burger & Andreas Rinke