New Illness With Polio-Like Symptoms Showing Up in California

Children are stricken without warning and are suffering severe weakness and rapid paralysis.
3:00 | 02/24/14

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Transcript for New Illness With Polio-Like Symptoms Showing Up in California
Now, a mystery illness out west that has concerned parents phoning their doctors tonight. Strange symptoms that come on fast and strike children virtually without warning. Reminiscent of a disease that has long vanquished, polio. Cecilia Vega with the new clues. Reporter: Doctors thought this 4-year-old had asthma, then came the weakness in her left leg and paralysis in her right arm. Doctors say that she's one of five children in California showing signs of a mystery polio-like illness and they're investigating as many 25 more. Their average age, 1237. There can be some mild improvements. But overall the level of paralysis remains severe. Reporter: The children had been vaccinated against polio and researchers suspect that this may be a related virus. The CDC is monitoring but cautions most of these polio-like virus don't end in paralysis. Her case seems to be an extremely rare one. Cecilia Vega, ABC news, Los Angeles.

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