Which of the following are most prevalent subtypes of influenza viruses in humans?
选项:
A:H7N9 and H1N1;
B:H3N2 and H1N1 ;
C:H1N1 and H2N2 ;
D:H5N1 and H3N2;
E:H9N2 and H7N7
发布时间:2024-04-10 22:48:28