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时间:2021-03-04

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注册全讯”Mounting evidence suggests neutrinos are key to antimatter's rarity | Science News注册全讯” The researchers described their improved oral polio vaccine in a study in Cell Host & Microbe in May.注册全讯The new oral polio vaccine was shown to be safe and to produce an immune response similar to that seen with the original vaccine in infants and children, researchers reported online December 9 in the Lancet.注册全讯The hope is that the modifications will slow the evolution of the new vaccine virus such that it can end the existing outbreaks without creating new ones.。注册全讯。注册全讯The vaccine-derived outbreaks are a significant, yet surmountable hurdle to polio eradication, says Ohuabunwo, and “science is helping.注册全讯” But the key to ending polio is “very high vaccination coverage.注册全讯” Obstacles including war, migrating populations, difficult terrain and lack of vaccine acceptance have created pockets of inaccessible children, he says.

注册全讯The hope is that the modifications will slow the evolution of the new vaccine virus such that it can end the existing outbreaks without creating new ones.。注册全讯。注册全讯The vaccine-derived outbreaks are a significant, yet surmountable hurdle to polio eradication, says Ohuabunwo, and “science is helping.

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