The body's immune system naturally creates substances called free radicals to help fight off viruses and bacteria. (health-benefits-of-acai-juice.com)
A group of antibiotics may also help your body fight off viruses, with new research showing they can help cells resist viral infection. (scimex.org)
The key is to minimize the amount of available virus and protect your dog through vaccination; activating the immune system to fight off the virus before it causes disease. (tampabayvets.net)