A sudden, mysterious illness has struck a student in Upstate New York, leaving parents alarmed and officials investigating. According to the New York State Department of Health, typhoid fever "is an uncommon disease" with only a handful of cases occurring in New York each year. Rare Case Of Typhoid Fever Confirmed In Upstate New York StudentGetty Images Getty Images loading... The Albany County Department of Health has confirmed a case of typhoid fever at Guilderland Elementary School. Although the person did not have symptoms at school, typhoid bacteria can sometimes be spread through stool even without symptoms," the Guilderland Central School District stated.