Which of the following statements about herpangina is correct?

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It can result in a high fever.It may cause difficulty swallowing.It typically produces 20-30 vesicles in the front part of the mouth.Only small vesicles appear in the anterior region of the mouth.It exclusively affects the posterior throat without mouth involvement.

Explanation

Herpangina commonly leads to symptoms such as difficulty swallowing (dysphagia). While it can cause fever, the presence of numerous vesicles (around 20-30) usually occurs in the posterior part of the mouth, not the anterior. The anterior mouth typically does not have only minor vesicles, and the condition is not limited to the throat alone.