Thanks for your query.
The severity of symptoms depend on the body's immunity status and virility of the infecting virus.
Hence, your symptoms are minimal. Further, the diagnosis of mono has been confirmed. As such, mono tends to cause a transient lowering of white blood cell
count, which reverts back to normal once the infection is cured.
So, I don't feel that there is any reason to be worried.
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Dr. Rakesh Karanwal