Discussing the relationship between allergies and vaccination.

After receiving the encephalitis vaccine, the child developed a rash all over their body. Inquiring whether this is a normal reaction or an allergic reaction.

If your baby develops a purulent area or ulceration at the site of the BCG injection, maintain cleanliness of the affected area, avoid applying ointment or wrapping it, and allow the wound to heal naturally and scab over. If the condition is severe or does not improve, it is recommended to seek medical assistance immediately.

Will hand, foot, and mouth disease break out again and what are the reasons?