1. those allergic to fapilavir; 2. pregnant or lactating women; 3. unstable liver, kidney, and heart diseases; 4. history of mental disorders, substance abuse or dependence; 5. researchers consider it inappropriate to participate in research; 6. participating in other clinical research.

1. those allergic to fapilavir; 2. pregnant or lactating women; 3. unstable liver, kidney, and heart diseases; 4. history of mental disorders, substance abuse or dependence; 5. researchers consider it inappropriate to participate in research; 6. participating in other clinical research.

those allergic to fapilavir; pregnant or lactating women; unstable liver, kidney, and heart diseases; history of mental disorders, substance abuse or dependence; researchers consider it inappropriate to participate in research; participating in other clinical research.

those allergic to fapilavir; pregnant or lactating women; unstable liver, kidney, and heart diseases; history of mental disorders, substance abuse or dependence; researchers consider it inappropriate to participate in research; participating in other clinical research.

1. those allergic to fapilavir; 2. pregnant or lactating women; 3. unstable liver, kidney, and heart diseases; 4. history of mental disorders, substance abuse or dependence; 5. researchers consider it inappropriate to participate in research; 6. participating in other clinical research.

1. those allergic to fapilavir; 2. pregnant or lactating women; 3. unstable liver, kidney, and heart diseases; 4. history of mental disorders, substance abuse or dependence; 5. researchers consider it inappropriate to participate in research; 6. participating in other clinical research.