Hand, foot, and mouth disease requires a blood test?

Patient's question:

No

Doctor's answer:

The following content needs to be translated into English. Carriage returns () do not need to be translated and should be returned as is. All other Chinese text should be translated into English:
For those requiring blood tests, a clear diagnosis can be made. It is recommended that after a clear diagnosis is established, targeted medication and treatment can be administered early, which would be beneficial. It is not advisable to delay.