How can the immune system fight a viral infection?

Several. When the body encounters a virus, it may mount multiple responses to it. This include the production of specific antibody, activation of the body's killer cells, production of mediators such as interferons- just to name a few.
White blood celles. With producing antibody and fighting of special kind of blood white cells against viruses.

Related Questions

I want to improve on my immune system to prevent viral infection s?

To improve your. Immune system, please eat healthy, exercise and take vitamins. A healthy life style with balance food and some Vit C will boost your immune system. Good luck. Read more...

What is my immune system fighting wbc 4.9, neutrs 75%high, lymphs 17%low and lymphs abs 0.8 low, is this bacterial or viral infection. Concerned thanks?

Fighting? Numbers are just numbers. They have little or no meaning unless we can see the whole picture. For example, 75, 4.9, 0.8, 17, etc... don't really mean any one thing. Details are needed, such as what ill symptoms one has, and WHY was the blood test done. Without some symptoms of disease, there may not be any reason to think that something is "fighting" something else. We must see a bigger picture. Read more...
Absolute number vs % Total WBC=4.9 means that there are 4900 white cells per microliter of blood, which is normal. To know what kind of WBC they are, multiply this times the % to get the number of each type. 75% of these are neutrophils meaning 3,750/mcL - which is not high. It is only a high % because the lymphs are relatively low. Some viruses, like HIV, can cause low lymphocyte counts, but usually it's nothing. Read more...