It seemed that he knew all about influenza.= He _______ all about influenza. A: seemed know B: seemed knowing C: seemed to know D: seemed that he

flu ← influenza flu是influenza的截短词。

Which of the following is wrong about influenza prevention A: Vaccination before influenza B: Giving amantadine to all susceptible people before influenza epidemic C: isolation and treatment of influenza patients D: reduction of public gatherings

What's wrong about influenza prevention A: Good personal hygiene can also prevent influenza B: Drug prevention cannot replace vaccination C: Taking antibiotics as soon as possible can effectively prevent influenza D: Influenza vaccination is the most effective way to prevent influenza

下列哪项与An uptick in influenza A infections began to appear. 意思最相近？ A: There has been a slight increase in influenza A infections. B: A cut could be seen in influenza A infections. C: There has been a surge in the number of patients infected with influenza A. D: A great number of people were infected with influenza A.

It was confirmed that two students had( )influenza. A: contract B: contacted C: contracted D: contact

Whatis the major cause of influenza? A: H.influenzae B: Influenza virus C: rhinovirus D: Respiratory syncytial virus E: N.meningitidis

What is known about the influenza virus?

The differences between influenza and cold are as follows:

Which of the following is the most common influenza virus?