Covid vaccine rush could make pandemic worse, say scientists

Experts say strong evidence of efficacy needed to avoid approval of inferior vaccines * Coronavirus – latest updates * See all our coronavirus coverage 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. Continue reading...
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