Hello! Prompt please as often it is necessary to do or make prophylaxis gri...

[Galina]

Hello! Prompt please how often it is necessary to do or make prophylaxis of a flu? Gave the son (14 years) arbidol in otktjabre. Now, speak, epidemic begins. Whether it is necessary to repeat a course and how often it is necessary to do or make it? Enough once can? Thanks big!

[Bolshakova M.A.]

For one year bacterination from a flu can give protection. Arbidol cannot give long effect