Hepatitis B or HBV is a viral infection that, by affecting the liver, leads to acute or chronic liver disease, and thus potentially threatens the life of the individual.
Children eat about eight times a year. Although colds are not serious, sometimes colds may spread to a pneumonia if care is not taken.
The chickenpox is a mild and highly contagious disease. This disease, which is more common in children, is caused by herpes zoster virus.
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