Diseases, Conditions, Syndromes

UN says new polio outbreak in Sudan caused by oral vaccine

The World Health Organization says a new polio outbreak in Sudan is linked to an ongoing vaccine-sparked epidemic in Chad—a week after the U.N. health agency declared the African continent free of the wild polio virus.

Diseases, Conditions, Syndromes

'Designer virus' is first new polio vaccine in 50 years

Before being halted due to the COVID-19 pandemic, a relentless vaccination campaign had nearly succeeded in eradicating polio from the world. Between 2000 and 2017, the World Health Organization (WHO) estimated that its campaign ...

Diseases, Conditions, Syndromes

Urgently needed: New way to combat vaccine-derived poliovirus

A team of researchers from the U.K., Switzerland, the U.S., and the Congo has found that there is an urgent need to combat a vaccine-derived poliovirus. In their paper published in the journal Science, the group describes ...

Diseases, Conditions, Syndromes

More polio cases now caused by vaccine than by wild virus

Four African countries have reported new cases of polio linked to the oral vaccine, as global health numbers show there are now more children being paralyzed by viruses originating in vaccines than in the wild.

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