If the complete blood count is high, the white blood cell count can give a general indication of the presence of inflammation or infection, including viral infections, in addition to a number of other health disorders. We add to the answer to the question, “Does the CBC test detect viruses?” It cannot be considered a reliable test to determine a specific type of viral infection, as a high rate of a specific type of white blood cell, namely lymphocytes, may indicate a viral infection, and based on the symptoms and other signs appearing on the infected person, the doctor may request Performing other, more accurate tests to diagnose specific viral infections.