J&J says second coronavirus vaccine boosts protection for moderate-severe Covid-19 to 94%.
vaccine given about two months after the first increased its effectiveness to 94 percent in the United States against moderate to severe forms of the disease.The data will help J&J make its case to U.S. regulators for aeven as the company stresses the durability of its single-shot vaccine as a tool to ease the global pandemic.
Side effects with two doses were comparable to those seen in studies with the single-dose vaccine. The data is yet to be peer reviewed but will be submitted for publication in the coming months. J&J said it has submitted data to the FDA and plans to submit it to other regulators, the World Health Organization and other vaccine advisory groups worldwide to inform their decision-making.
The study had a short follow-up period of around 36 days, but found that a second dose was well tolerated, the company said.
France Dernières Nouvelles, France Actualités
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