Covid vaccine rush could make pandemic worse, say scientists
by Sarah Boseley Health editor from Science | The Guardian on (#57H8C)
Experts say strong evidence of efficacy needed to avoid approval of inferior vaccines
The rush to immunise populations against Covid-19 could lead to the rollout of a vaccine that is not very effective and risk worsening the pandemic, leading scientists have said.
Politicians and commercial companies are competing to be the first to license a vaccine, but experts say the world would be better served by waiting until comprehensive results showed at least 30-50% effectiveness.
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