Why does the baby get hand, foot and mouth disease three times?

Patient's question:

The baby had hand, foot, and mouth disease. The medication was effective, and the fever subsided. After returning to the hometown, three months later, the baby attended a Halal kindergarten for three days. The symptoms were mild, and the baby was given Ribavirin, which helped. However, a few days later, the condition worsened, and the baby was hospitalized with a fever of 39°C and high red blood cell count. The baby was discharged after three days and isolated at home, which improved the condition. The baby did not return to kindergarten. Normally, the baby had one or two sores in the mouth, so I gave him more water.

Doctor's answer:

Hello! Your child has previously had hand, foot, and mouth disease, which is a contagious infectious disease caused by enteroviruses. It commonly occurs in children under the age of 5. There are many enteroviruses that can cause this disease, among which Coxsackie virus A16 and enterovirus 71 are the most common. This disease does not provide lifelong immunity, and it is likely to be infected with new variant viruses. The main reason is that children have low resistance, so it is important to strengthen care, pay attention to temperature and nutrition, take your child out for walks on sunny days, expose them to sunlight, exercise appropriately, and enhance their physical fitness. Avoid crowded places to prevent repeated cross-infection. You can also take some immune-boosting medications or supplements. Wishing your baby a healthy growth and a happy family!

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