viral hepatitis type A

例句：

1. 1. Viral hepatitis is a serious disease that can cause liver damage.
   A型肝炎是一种严重的疾病，可以导致肝脏损伤。
2. 2. The patient was diagnosed with viral hepatitis and advised to seek medical attention immediately.
   患者被诊断出患有A型肝炎，并被建议立即寻求医疗帮助。
3. 3. Prevention of viral hepatitis is crucial for public health.
   预防A型肝炎对公共卫生至关重要。