Immunity Page 298
More in Immunity
What Is Listeria Monocytogenes? Foods, Illness, and Risk
Listeria can grow in your fridge and hide in everyday foods. Learn which foods carry the most risk and how to protect yourself.
What Is Norovirus? Symptoms, Spread & Treatment
Norovirus spreads fast and hits hard. Learn how it makes you sick, why hand sanitizer won’t protect you, and how to lower your risk.
What Is Discoid Lupus? Symptoms, Causes, and Treatment
Discoid lupus affects the skin, causing lesions and scarring. Learn what it looks like, who’s at risk, and how it’s treated and managed.
What Is Gluten Allergy? Symptoms, Causes & Diagnosis
Gluten allergy covers three distinct conditions with different causes and symptoms. Learn how each is diagnosed and managed.
Is Bacterial Tonsillitis Contagious and How Long?
Bacterial tonsillitis spreads easily, but antibiotics shorten how long you’re contagious. Here’s what to know before returning to school or work.
How to Treat Tuberculosis, From Latent to Active TB
Learn how tuberculosis is treated, from latent infection to active disease, including drug regimens, side effects, and what happens with drug-resistant or HIV-related TB.
Is Cholera Still Around? Where It Spreads Today
Cholera is still active in dozens of countries today. Learn where it spreads, why cases are rising, and how to stay protected if you’re traveling.
How to Prevent RSV: Everyday Tips and Vaccines
Learn how RSV spreads and how to protect yourself and your family through simple daily habits, vaccines, and antibody options for infants.
What Is Flu Season and Why Does It Happen in Winter?
Flu season isn’t just a calendar event — cold air, indoor crowding, and viral behavior all help explain why influenza peaks in winter and how to stay protected.
How to Manage Lupus Symptoms and Reduce Flares
Practical strategies for living with lupus, from medication and sun protection to stress management and spotting early flare warning signs.
What Is a Stomach Bug? Symptoms, Causes & Treatment
Stomach bugs are usually viral and pass within a few days. Learn what causes them, how to stay hydrated, and when to be concerned.
What Causes Shellfish Allergy: Proteins and Triggers Explained
Shellfish allergy is driven by specific proteins like tropomyosin, and it can even develop in adulthood. Here’s what actually triggers the immune response.
What Is an Allergen? Types, Symptoms & Reactions
Learn what allergens are, why your immune system reacts to them, and what separates a mild reaction from a serious one.
What Causes Bacterial Meningitis and Who’s Most at Risk
Learn which bacteria cause meningitis, how they reach the brain, and which age groups and health conditions raise your risk.