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More in Immunity
What Is the Stomach Bug? Symptoms, Causes & Care
Stomach bugs are usually viral, short-lived, and manageable at home. Learn what causes them, how to stay hydrated, and when to be concerned.
How Long Does Influenza A Last? Symptoms to Recovery
Influenza A typically lasts 7 to 10 days, but fatigue can linger. Here’s what to expect from first symptoms through full recovery.
How Do People Develop Allergies—and Can It Be Prevented
Allergies develop from a mix of genetics, gut health, and environment. Here’s what science says about why they happen and how early habits may help prevent them.
What COVID Vaccines Are Available Right Now?
A straightforward look at the COVID vaccines available today, who can get them, and what to expect from protection and side effects.
How Can You Get Hives? Common Causes and Triggers
Hives can be triggered by foods, stress, infections, and more. Learn what causes that itchy rash and how to find relief.
How Long Is Pink Eye Contagious? Viral vs. Bacterial
Viral pink eye can stay contagious for up to two weeks, while bacterial cases clear faster with antibiotics. Here’s how to know when it’s safe to return to normal life.
How to Avoid a Stomach Bug: What Actually Works
Soap beats sanitizer, surfaces need bleach, and grape juice won’t help. Here’s what the evidence says about avoiding stomach bugs.
What Is Lyme Disease? Causes, Symptoms & Treatment
Learn how Lyme disease spreads, what symptoms to watch for, and how it’s treated and prevented after a tick bite.
How Many Types of Hepatitis Are There? All 5 Explained
There are five main types of viral hepatitis, each with different causes and risks. Here’s what sets A, B, C, D, and E apart.
What Is Respiratory Syncytial Virus? Symptoms & Causes
RSV is a common respiratory virus that can be serious for babies and older adults. Learn how it spreads, what symptoms to watch for, and how to protect your family.
What Is a Zoonotic Disease and How Does It Spread?
Zoonotic diseases jump from animals to humans more often than you’d think. Learn how they spread, who’s most at risk, and simple ways to protect yourself.
Is Scleroderma an Autoimmune Disease? Causes & Types
Scleroderma is an autoimmune disease where the immune system triggers excess collagen production. Learn about its types, symptoms, and treatment options.
What Is Inflammation in the Body: Types, Causes & Signs
Inflammation protects you, but when it lingers it can drive serious disease. Learn how it works, what triggers it, and how diet can help keep it in check.
How Do You Get Dysentery: Causes, Spread, and Prevention
Dysentery spreads through contaminated food, water, and contact. Learn what causes it, who’s most vulnerable, and simple steps to reduce your risk.