Johnson & Johnson says 2nd dose vaccine 94% effective

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Johnson & Johnson (JNJ.N) said Tuesday a second shot of its COVID-19 vaccine given about two months after the first increased its effectiveness to 94% in the United States against moderate to severe forms of the bayer levitra brand 10 mg order online disease.

That compares to 70% protection with a single dose.

The data will help J&J make its case to U.S. regulators for a booster shot even as the company stresses the durability of its single-shot vaccine as a tool to ease the global pandemic.