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It would make things more difficult for the bad guys, almost providing a kind of herd immunity.
Herd immunity its an important part of how vaccines work.
In those cases, the children are considered protected by so-called herd immunity.
This second group needed herd immunity to protect them from these dangerous diseases.
The eradication program was based on a concept known as herd immunity.
In such cases, those children would be protected by what health specialists call "herd immunity."
The higher the herd immunity, the more mosquitoes necessary to start an epidemic.
Herd immunity can only be achieved when vaccination levels are high.
Read more about herd immunity - and why some people don't believe in the wisdom of crowds - on the next page.
Unfortunately, the idea of herd immunity has lost respect.
The game is noteworthy due to its use in teaching notions of herd immunity.
Herd immunity happens when most of the animals in a group are immune to an infection.
Polio vaccination is also important in the development of herd immunity.
Once there are enough unvaccinated people in a community, herd immunity disappears.
The population born over the last two decades has a low herd immunity and therefore more susceptible to the virus.
Herd immunity generally applies only to diseases that are contagious.
When only a few parents use "herd immunity" to let their children escape the small risks of vaccination, the system still works.
Sick people who depend on herd immunity will also get sick.
Understanding Conficker's infection history could help us understand and model the phenomenon known as herd immunity.
Herd immunity: basic concept and relevance to public health immunization practices.
The spread of bacterial infection: the problem of herd immunity.
Herd immunity helps stop the spread of infections, and protects those who can't get vaccines.
An efficacy rate of 50 to 60 percent is actually a lot better than it sounds, because of herd immunity.
A breakthrough infection can be especially dangerous in locations where herd immunity exists.
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