More 'polio-like' illnesses reported in Pennsylvania, Illinois

6 Minnesota kids diagnosed with rare, polio-like disease

cute flaccid myelitis: Three new cases of rare polio-like illness emerge

In 2017, 33 cases were reported in 16 states.

Two cases are in King County, one in each Pierce, Lewis and Snohomish counties.

All the children showed systems of a respiratory illness the week before developing symptoms of AFM. Four of the five had fever of 100.4 F or greater. The Minnesota cases have been diagnosed since September 20, according to the Minnesota Department of Health, which says officials are working "aggressively" with health care providers to try to gather more information about the cases.

Editor's Note: The video above was originally published in 2016.

Also this week, the Colorado Department of Public Health and Environment announced that 14 cases of AFM have occurred in the state this year. "Isolation protocols and infection control procedures are in place and we are working with the CDC and the Allegheny County Health Department to further monitor and evaluate the patient conditions". "They may have difficulty moving their eyes and some have slurred speech or difficulty swallowing; so very rare symptoms that you wouldn't expect to see in a child, so can be picked up very quickly", said Dr. Kevin Most, Northwestern. "So, we've seen that there's an association between viruses, specifically enterovirus, in the past".

"But just because you catch the virus from somebody that developed AFM, doesn't mean that you will also develop AFM", Dr. Meade explained.

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Despite these frightening cases of AFM, it's important to remember that the condition continues to be rare. By the end of that year, 120 people had been diagnosed in 34 states.

There is no vaccine for AFM or a vaccine for enterovirus, a virus doctors know is associated with AFM.

The CDC says the number of cases appears to increase and decrease from one year to the next.

AFM cases first spiked in the United States in August 2014.

We've been reporting about the polio-like illness affecting two children here in Chicago, nine in northern IL and others across the country, but how concerned should parents be about the spread to their children?

Doctors are encouraging people to practice what are called "general prevention strategies" - including washing your hands with soap and water, getting vaccinated and preventing mosquito bites.

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