When a young adult in a New York City suburb visited an emergency department in June after experiencing weakness in their lower legs, the shocking diagnosis would lead local officials to declare a health emergency in New York and put authorities across the U.S. and around the world on a state of alert. The individual, a resident of Rockland County, had suffered from a fever, a stiff neck, back and abdominal pain as well as constipation for five days. The patient was hospitalized and tested for enterovirus, a family of pathogens that in rare cases can cause weakness in the...
