Notes for Influenza Vaccination 流行性感冒疫苗及接種注意事項
2023/12/12
Influenza is an acute respiratory infection caused by influenza virus. Influenza viruses are classified into types A, B and C. The main seasonal influenza viruses are types A and B, while type C is characterized by mild upper respiratory tract infection. At present, H1N1 and H3N2 are the primary influenza A viruses that infect humans.