Clinically, fever, headache, and myalgia were the predominant symptoms, observed in nearly all patients, while nausea, vomiting, and bleeding manifestations were less common but demonstrated an increasing trend over the three-year period.
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Clinically, fever, headache, and myalgia were the predominant symptoms, observed in nearly all patients, while nausea, vomiting, and bleeding manifestations were less common but demonstrated an increasing trend over the three-year period.