Viruses cause familiar infections such as the common cold, but they also cause severe illnesses. Learn more about viral infections and their symptoms.| medlineplus.gov
Vaccines protect against life-threatening diseases. Follow a recommended immunization schedule to protect yourself and others at all stages of life.| medlineplus.gov
Autoimmune diseases are where your immune system attacks healthy cells in your body by mistake. Learn about the symptoms, tests, and treatments.| medlineplus.gov
Learn how sleep deprivation impacts blood test accuracy. Understand the importance of rest for accurate medical assessments.| Amerisleep
Food allergy is an abnormal response triggered by your body's immune system. The reaction may be mild or severe (anaphylaxis). Learn more.| medlineplus.gov