Immunity Page 248
More in Immunity
What Causes HIV and AIDS? Transmission and Stages
Learn how HIV infects the body, how it spreads, and what the three stages of infection mean for your health — including why HIV doesn’t have to become AIDS.
How Do Food Allergies Develop: Causes and Risk Factors
Food allergies develop through a mix of genetics, skin barrier function, gut bacteria, and when you’re first exposed to certain foods.
What Is Bacillus Cereus? Symptoms, Foods, and Treatment
Bacillus cereus is a common cause of food poisoning, often from rice and leftovers. Learn how it makes you sick and how to prevent it.
How Many Gardasil Shots Do You Need by Age?
The number of Gardasil doses you need depends on your age. Here’s what the current HPV vaccine schedule looks like for each age group.
Is Salmon a Common Allergy? Symptoms and Causes
Salmon allergies are less common than other fish allergies. Learn why, what symptoms to watch for, and how it’s diagnosed.
What Causes Bubonic Plague and How Does It Spread?
Bubonic plague is caused by a bacterium spread mainly through flea bites. Learn how it infects the body and where it still occurs today.
What Is Parvovirus? Causes, Symptoms, and Prevention
Parvovirus affects both humans and dogs differently. Learn how it spreads, who’s most at risk, and how vaccination helps protect against it.
What Helps With Allergies: Treatments That Actually Work
From antihistamines to immunotherapy, here’s what actually helps with allergies and how to combine treatments for real, lasting relief.
How to Cure a Dog Allergy: What Actually Works
Dog allergies can’t always be cured, but immunotherapy and other treatments can offer real, lasting relief. Here’s what the evidence actually supports.
Is Dermatomyositis an Autoimmune Disease? Symptoms & Causes
Dermatomyositis is an autoimmune disease where the immune system attacks muscles and skin. Learn about its symptoms, causes, and treatment options.
How to Stop an Infection: Prevention and Treatment
Learn how to prevent infections, treat minor wounds, support your immune system, and recognize signs that it’s time to see a doctor.
How Fast Does Ringworm Appear: 4 to 14 Days
Ringworm typically appears 4 to 14 days after exposure. Learn what affects that timeline and how contagious it is before the rash shows up.
What Does Herpes Look Like? Oral and Genital Sores
Herpes sores look different depending on location and stage. Learn what oral and genital outbreaks typically look like and how to tell them apart from other skin conditions.
How Long Is RSV Contagious? Spread and Prevention
RSV is typically contagious for 3 to 8 days, but some people shed the virus longer. Learn when it’s safe to be around others and how to avoid spreading it.