the best science on the web about
immunity

Types of Immunity: Passive vs. Active
Image: iStockphoto.com/Feverpitched.jpg

Types of Immunity: Passive vs. Active

Immunity works in 2 ways — active and passive — depending on whether the body itself creates antibodies to a pathogen or the antibodies are introduced from another source.

Vaccines produce active immunity for a period of time. Newborns acquire passive immunity from their mothers before birth and after it through nursing. Explore both types of immunity.

Brain Genie
Herd Immunity — History of Vaccines

Herd Immunity — History of Vaccines

In people as in animals, herd immunity is important. Discover how high vaccination rates protect the unvaccinated when contagious disease strikes a community. More...

Interactive
College of Physicians of Philadelphia
Illsville: Fight the Disease

Illsville: Fight the Disease

Help the citizens of Illsville fight diseases through the ages. Diagnose and make recommendations to preserve community health until vaccines arrive. More...

Game
College of Physicians of Philadelphia
Immune Responses

Immune Responses

Immuno is relying on you to make the right decisions to help him and his immune system survive all the challenges it will meet. Be ready for bacteria, bees, and burns! More...

Interactive
The Nobel Foundation
Pioneer Breakthroughs

Pioneer Breakthroughs

Match the pioneer to the disease he helped control by developing a vaccine for it. If you get an answer wrong, you get a do-over! More...

Profile
College of Physicians of Philadelphia
Categories of Acquired Immunity

Categories of Acquired Immunity

Use this hands-on tool to sort your knowledge of acquired immunity. When you’re finished, you’ll own the basic categories: active vs. passive, natural vs. artificial. More...

Interactive
Wisconsin Technical College System
Humoral Immune Response Animation

Humoral Immune Response Animation

Here comes an antigen! Is the body ready to combat it? Discover what happens in this enlightening animation. More...

Video
Remyfl
Immunity: Active and Passive Immunity

Immunity: Active and Passive Immunity

Active or passive? It depends whether your body fought the disease head-on or in a vaccine to acquire immunity or it received antibodies to the disease from an outside source. Find out more. More...

Article
FactMonster.com
Immunity: Natural and Acquired

Immunity: Natural and Acquired

Immunity can be natural or acquired, strong or weak, short-lived or long-lasting. Each of these depends on number of factors, including how the host is first exposed to a pathogen. More...

Article
National Institutes of Health
Passive Immunization

Passive Immunization

Before vaccines and antibiotics became common, passive immunization offered the only real hope to survive certain infectious diseases. Find out how it is still being used. More...

Article
College of Physicians of Philadelphia

Latest Comments

You Also Might Like

  1. cancer treatments

    cancer treatments

  2. albinism

    albinism

  3. immune system

    immune system

  4. diabetes

    diabetes

  5. vaccinations

    vaccinations