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, where "" does not need to be translated and should be returned as is, and all other Chinese text should be translated into English:
For those who need blood tests, a clear diagnosis can be made. It is recommended that after a clear diagnosis is made, targeted medication and treatment can be administered early, which is a better approach. It is not advisable to delay.