Enterovirus D68 (EV-D68) is a type of enterovirus that is known to cause respiratory illness, particularly in children. It was first identified in the 1960s and outbreaks have occurred sporadically since then. EV-D68 can cause symptoms similar to the common cold, such as coughing, sneezing, and fever, but in some cases it can also lead to more severe respiratory issues such as wheezing and difficulty breathing. The virus is spread through respiratory droplets and can be transmitted through close contact with infected individuals. Research on EV-D68 focuses on understanding the virus's transmission, pathogenesis, and potential treatment options, as well as developing strategies for prevention and control of outbreaks.