When WBCs count during infection is 4.9,000 Does that consider normal?? or It means low immunity.?

Update: I had the flu and that was my WBC count during it , Is the flu not consider an infection or a not high one??
Update 2: My WBC s count is 4.9 * 10 power 3 /mm3
In Egypt our normal range from 4.0 till 11.0
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