Vaccination investigation : the history and science of vaccines
Vaccines are biological substances that cause the human immune system to build up its defenses against specific diseases. Public health officials recommend a series of vaccines for all children, as well as some vaccines for teenagers and adults. But not everyone gets the vaccines they need. Many poo...
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Format: | EBOOK |
Other Format: | BOOK |
Language: | ENGLISH |
Published: |
Lerner Publishing Group
2018
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