How does the human body fight against a virus?

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Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)

Unlike bacteria, which multiply comfortably on their own given the right environment, viruses need to insert themselves into a host's cells in order to persevere. Once a virus has taken a human cell hostage, it continues to conquer cell after cell.

For the most part, a healthy immune system can derail these viral interlopers so they don't do too much damage. The virus is detected, a customized antibody is made and an all out attack is mounted by killer cells.


This content originally appeared on doctoroz.com

Continue Learning about Viral Infections

Viral Infections

Viral Infections

Viral infections like herpes simplex, respiratory syncytial virus (RSV), chicken pox and rotavirus are infections caused by a virus instead of a bacterium. Viral infections do not respond to antibiotics, but some specific viruses ...

like influenza A and B can be treated with certain antiviral medications. Most commonly, treatment for viral infections includes drinking lots of fluids, getting rest, eating well and letting the illness run its course.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.