There are now more than 125 confirmed or suspected cases of acute flaccid myelitis - the "mystery illness" that's been affecting children across the USA and leaving them paralyzed.
Among the cases under investigation are five reported to Maryland health officials in recent weeks, a health department spokeswoman said Tuesday.
Lacking an established cause, health officials confirm cases through a review of brain scans and symptoms.
So far across the county, 62 cases of the rare polio-like neurological condition have been reported. So far in 2018, there have been 62 confirmed cases of the disease, an increase from past year.
As of yet, there is no known effective treatment for the condition, but the vast majority of patients do recover with treatment. There was one confirmed death a year ago, the CDC said on Tuesday. No one knows what causes AFM, although a virus or viruses are suspected.
The cause is a mystery but the CDC and other officials have ruled out polio and West Nile virus.
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Federal health officials are anxious about an increase in a mysterious and rare condition that mostly affects children and can paralyze arms and legs, with 127 confirmed or suspected cases reported as of Tuesday.
MA has seen a total of 16 confirmed cases in children since 2014, plus one probable case in an adult. "Children can also have trouble swallowing, trouble with their speech, facial droop and trouble with their eye muscles".
Acute flacid myelitis or AFM is not new, but cases have been on the rise since 2014. "Right now, we know that poliovirus is not the cause of these AFM cases".
"When these illnesses occur, it often means that the spread of the virus, the transmission of the virus, in the community is quite widespread and there probably are many persons, many children, affected just like when the flu comes to the community", Modlin said. And though enteroviruses have been detected in some paralysis cases, it hasn't been found in others, CDC officials say.
"As we work to better understand what is causing AFM, parents can help protect their children from serious diseases by following prevention steps like washing their hands, staying up to date on recommended immunizations and using insect repellent", Messonnier said.
In 1954, 1.8 million children participated in the Salk polio vaccine trials. Six children in Minnesota were diagnosed with the disease since mid-September. For example, 11 of the Colorado cases of AFM this year have tested positive for EV A71, a rare type of enterovirus not usually seen in the U.S., rather in Asia and other parts of the world, according to state epidemiologist Dr. Rachel Herlihy.