Every year, the cold and flu season wreaks havoc on otherwise healthy people. Despite vaccinations and extra precautions, it seems the season gets longer and more virulent with each passing year. People with compromised immune systems, from young children to the elderly, are especially at risk for viral and bacterial infections.
The immune system is the front lines of defense, thwarting micro-organisms that can cause illness and disease. To protect yourself, your immune system needs to be able to respond quickly to pervasive health threats.