Hand, foot, and mouth disease is a common childhood infection that causes sores in or around the mouth, as well as a rash and blisters on the hands, feet, or buttocks. Although the lesions can be painful, hand, foot, and mouth disease is generally benign and not serious.

Hand, foot and mouth disease is a viral infection that commonly affects young children. The disease can heal on its own and is not too dangerous, but it can also lead to complications. To diagnose hand, foot and mouth disease, the doctor will ask about the patient's symptoms and perform a clinical examination, combined with some tests if necessary.

Hand, foot and mouth disease in children occurs in many places around the world, mainly caused by Enterovirus 71 in Southeast Asian countries. In Vietnam, hand, foot and mouth disease in children occurs sporadically throughout the year in most localities, with cases concentrated from March to May and from September to December. The disease is common in children under 10 years old, more common in children under 5 years old, concentrated in children under 3 years old, peaking at 1-2 years old. Some of the following types of specimens will be used to diagnose hand, foot and mouth disease.