Immunity Page 297
More in Immunity
How Is Pneumonia Caused: Bacteria, Viruses, and Fungi
Pneumonia can be caused by bacteria, viruses, fungi, or even inhaled particles. Learn what triggers each type and who faces the greatest risk.
What Is Parvovirus B19? Symptoms, Causes & Treatment
Parvovirus B19 causes fifth disease in kids but can be serious for pregnant people and those with weakened immune systems. Here’s what to know.
Is 100.0 a Fever? What Your Temperature Really Means
A temperature of 100.0°F sits in a gray zone. Learn what it actually means for your health, and when it’s worth paying closer attention.
What Causes Legionnaires’ Disease and Who’s at Risk?
Learn how Legionella bacteria spread through water systems, which environments it thrives in, and why some people are more vulnerable to Legionnaires’ disease.
What Does Herpes Do to Your Body and Cells?
Learn how herpes enters your cells, hides in your nervous system, and what happens during outbreaks, treatment, and transmission.
How to Stop Shivering From Cold, Fever, or Anxiety
Shivering from cold, fever, or anxiety? Learn what’s causing it and simple ways to warm up, calm down, or know when to seek help.
What Does Lupus Mean? Definition, Types & Symptoms
Lupus is a chronic autoimmune condition that can affect many parts of the body. Learn what it is, who it affects, and how it’s managed.
Is Travelers’ Diarrhea Contagious to Others?
Travelers’ diarrhea can spread to others depending on the pathogen involved. Learn how transmission works and how to protect those around you.
How Does Lupus Start: From Genetics to First Symptoms
Lupus often develops quietly for years before symptoms appear. Learn how genetics, hormones, and environmental triggers combine to set it off.
Is the Coronavirus Deadly? Who Is Most at Risk
COVID-19 mortality varies widely by age and health. Learn who faces the greatest risk and how vaccines and treatments have changed the outlook.
How to Cure Norovirus: What Actually Helps
Norovirus has no cure, but staying hydrated and knowing what to eat can help you recover faster and avoid spreading it to others.
What Is Strep A? Infections, Treatment, and Complications
Strep A causes more than just strep throat. Learn how it spreads, how it’s treated, and when it can become something more serious.
What Is the Zoster Vaccine? Uses, Doses & Side Effects
Learn how the zoster vaccine protects against shingles, who should get it, how many doses you need, and what side effects to expect.
What Causes Molluscum Contagiosum and How It Spreads
Molluscum contagiosum is a common viral skin infection. Learn how it spreads, who’s most at risk, and what to expect from the infection over time.