A Modern Medical Whodunnit: Mystery Polio-Like Virus Paralyzes Children in California 
Five children in California have been paralyzed by a mystery virus – and scientists are still in the dark.
On the surface, these cases looked a lot like polio. But the last time poliovirus claimed an American victim was in 1979, and all of these children had been vaccinated.
Whatever they had was something else - something rare and possibly new.

A Modern Medical Whodunnit: Mystery Polio-Like Virus Paralyzes Children in California

Five children in California have been paralyzed by a mystery virus – and scientists are still in the dark.

On the surface, these cases looked a lot like polio. But the last time poliovirus claimed an American victim was in 1979, and all of these children had been vaccinated.

Whatever they had was something else - something rare and possibly new.