Exclusion criteria:
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(1)Pregnant and lactating women
(2)Patients with the following diseases or conditions : pneumonia, suppurative tonsillitis, acute tracheobronchitis, acute pharyngitis, acute exacerbation of nasal diseases ( such as allergic rhinitis, chronic rhinitis, acute and chronic sinusitis, etc. ), chronic respiratory diseases ( such as chronic obstructive pulmonary disease, interstitial lung disease, etc. ), asthma, tuberculosis ; severe primary diseases such as heart, brain, lung, liver, kidney and blood system, such as unstable control / severe complications of diabetes, viral hepatitis, hemophilia ; mental illness ; immunosuppressive status ( including immunosuppressive agents or HIV infection ) ;
(3)Allergic to alcohol and test drug ingredients
(4)Those who had been vaccinated against influenza within 1 year
(5)After the onset of the disease,who took anti-influenza virus drugs,or traditional chinese medicine with the same function of the test drug.
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