Immunity Page 291

More in Immunity

  1. How Contagious Is Flu A and When Can You Spread It?

    Flu A spreads easily, often before symptoms appear. Learn when you’re contagious, how the virus travels, and when it’s safe to be around others again.

    By Priya Coleman
  2. How Often Should You Get the Tdap Vaccine?

    Tdap boosters are recommended every 10 years, but pregnancy, injuries, and other factors can change that timing. Here’s what to know.

    By Archana Banerjee
  3. What Causes Shingles to Activate: Virus, Age, and Stress

    Shingles activates when immunity weakens with age, stress, or illness. Here’s what triggers the dormant virus and how to lower your risk.

    By Keisha K. Tolbert
  4. How to Treat Flu B: At-Home Care and Warning Signs

    Flu B treatment tips covering antivirals, fever relief, hydration, and which symptoms mean it’s time to see a doctor.

    By Brian Porter
  5. What Does the Lymphatic System Do? Key Functions

    Your lymphatic system drains fluid, absorbs dietary fat, and trains immune cells—here’s how it quietly keeps your body running.

    By Candice Truesdale
  6. Influenza B Symptoms: What to Expect and When to Seek Care

    Learn what Influenza B feels like, how it differs from Flu A, and when symptoms mean it’s time to call your doctor.

    By Theodore Hale
  7. How Do People Get Sepsis and Who Is Most at Risk

    Sepsis can develop from everyday infections. Learn who faces the highest risk and how the body’s immune response can become life-threatening.

    By Catherine Caldwell
  8. How Stomach Flu Spreads and How to Avoid Catching It

    Stomach flu spreads easily and can come from people who feel fine. Here’s how it travels and what actually helps prevent it.

    By Priya Coleman
  9. How to Treat Stomach Flu Symptoms at Home

    Stomach flu usually clears up at home with the right care. Learn what to drink, eat, and watch for to recover comfortably and safely.

    By Monica S. Hansen
  10. What Can Low Iron Cause? Signs, Symptoms, and Risks

    Low iron affects more than your energy. Learn how iron deficiency impacts your brain, heart, immune system, and more — and what recovery involves.

    By Leslie French
  11. How Do You Treat Lupus: Drugs, Flares, and Remission

    From hydroxychloroquine to biologics, learn how lupus is treated, what remission means, and how to reduce your risk of flares.

    By Evan Dorsey
  12. How to Prevent a Cold: What Actually Works

    From handwashing to zinc timing, here’s what the evidence actually says about keeping cold viruses at bay this season.

    By Theodore Hale
  13. How Do Kids Get Ringworm From Pets, People, and Soil

    Kids pick up ringworm from pets, playmates, sports gear, and even soil. Here’s how each route of transmission works and what parents can do about it.

    By Alejandra E. Sandoval
  14. What Causes Group B Strep and Who’s at Risk?

    Group B Strep is common bacteria that’s usually harmless in adults but can pose real risks to newborns and some older adults. Here’s what you should know.

    By Karen Karimi