Immunity Page 313

More in Immunity

  1. What Is Toxoplasma Gondii? Causes, Symptoms & Risks

    Toxoplasma gondii infects roughly a third of people worldwide. Learn how it spreads, who faces real risks, and simple ways to protect yourself.

    By Catherine Caldwell
  2. What Is Pneumococcal Disease? Symptoms, Risks & Vaccines

    Pneumococcal disease can cause serious infections like pneumonia and meningitis. Learn who’s most at risk and how vaccines help prevent it.

    By Keisha K. Tolbert
  3. What Is AIDS? Causes, Symptoms, and Treatment

    AIDS is the late stage of HIV infection, but with modern treatment, most people with HIV never reach it. Here’s what you should know.

    By Holly Hopkins
  4. How Do Allergies Happen and Why Some People Get Them

    Allergies happen when your immune system mistakes harmless substances for threats. Learn why some people develop them and others never do.

    By Christian Kimball
  5. Meningitis Symptoms: Early Warning Signs and Rash

    Learn to recognize meningitis symptoms early, from fever and neck stiffness to the telltale rash, and know when to seek urgent medical care.

    By Keisha Mensah
  6. What Is an MDRO Infection? Symptoms, Risks & Treatment

    MDROs are bacteria that no longer respond to common antibiotics. Learn which bugs qualify, who’s most vulnerable, and how these infections are treated.

    By Catherine Caldwell
  7. Is 100.7 a Bad Fever? What Adults and Kids Should Know

    A 100.7°F fever is mild for most adults but needs closer attention in babies and young children. Here’s how to respond based on age and symptoms.

    By Takeshi Mori
  8. What Causes Viral Pneumonia and Who’s at Risk?

    Learn which viruses cause pneumonia, how they reach your lungs, and which people face the greatest risk of serious illness.

    By Theodore Hale
  9. How to Calm Allergies: At-Home and Medical Options

    From antihistamines and nasal sprays to diet and immunotherapy, here’s how to find real relief from allergy symptoms at home and with medical help.

    By Grace Lucas
  10. What Is Fits Disease? Causes, Symptoms & Treatment

    Learn what fits (seizures) are, why they happen in the brain, what triggers them, and how they’re diagnosed and treated.

    By Talia Brennan
  11. How Does Pus Form? Your Immune System Explained

    Pus is your immune system in action. Learn how white blood cells fight infection and what pus color and consistency can tell you about your health.

    By Jacob Garrett
  12. How to Prevent Shigella: Hygiene and Safety Tips

    Shigella spreads easily, but good handwashing, safe food habits, and a few simple precautions can significantly lower your risk of infection.

    By Catherine Caldwell
  13. What Causes Skin Inflammation? Triggers Explained

    Skin inflammation can stem from allergens, UV exposure, infections, stress, and autoimmune conditions. Here’s what’s actually happening beneath the surface.

    By Leslie Fuchs
  14. What Is a Roundworm? Parasites, Symptoms & Treatment

    Roundworms are common parasites that can infect humans through soil, pets, and contaminated food. Learn how infections are diagnosed and treated.

    By Catherine Caldwell