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More in Immunity
How to Get a Fever Up: Risks and Real Limits
Fevers serve a purpose, but pushing your body temperature higher carries real risks. Here’s what the science says about limits and safety.
Is Allergic Rhinitis the Same as Seasonal Allergies?
Allergic rhinitis and seasonal allergies are related but not identical. Learn how triggers, symptoms, and treatments differ between the two.
How to Avoid Food Allergies Before They Start
Introducing allergens early, caring for baby’s skin, and other evidence-based steps that may help reduce your child’s food allergy risk.
Can You Still Travel Without a COVID Vaccine?
Unvaccinated and planning to travel? Here’s what entry rules, airlines, and cruise lines currently require before you go.
Systemic Lupus Erythematosus: Symptoms & Treatment
SLE is an autoimmune disease that can affect your joints, skin, kidneys, and heart. Learn who it affects, how it’s diagnosed, and how it’s managed.
Is Creeping Eruption Contagious Between People?
Creeping eruption looks alarming, but it doesn’t spread person to person. Learn how you actually catch it and how to avoid it.
What Is the Tangi Virus and Does It Infect Humans?
Tangi virus sounds alarming, but here’s what science actually knows about where it comes from and whether it poses any risk to humans.
What Are Irritants and How Do They Affect You?
Learn what irritants are, how they differ from allergens, and simple ways to reduce your everyday exposure to common skin and airway irritants.
Is Pneumococcal Pneumonia Contagious? How It Spreads
Pneumococcal pneumonia spreads through respiratory droplets, but not everyone exposed gets sick. Learn how transmission works and how to protect yourself.
What Does CMV Mean: The Virus Most People Have
CMV is a common virus that most people carry without knowing it, but it can be serious during pregnancy. Here’s what you need to know.
Is Myasthenia Gravis Autoimmune? Causes and Diagnosis
Myasthenia gravis is an autoimmune disease where the body attacks its own muscle receptors. Learn how it’s diagnosed and what drives it.
Is Salmonella a Zoonotic Disease? Risks Explained
Salmonella spreads from animals to people more easily than most realize. Learn which animals pose the highest risk and how to protect yourself.
Do You Always Get a Fever With Norovirus?
Fever isn’t always part of norovirus. Learn what symptoms to actually expect and when a high fever might point to a different illness.
What Is Adenovirus? Symptoms, Spread, and Risks
Adenovirus causes more than just colds. Learn how it spreads, what symptoms to expect, and who’s most at risk from this common but often misunderstood virus.