Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Your heart beats over 36 million times a year.
Response of a yeast cell to glucose
Seedling growth showing the triple response to ethylene.
The immune response results from activation of the humoral and cell-mediated immune systems
The Stress Response
The response of the lac operon in the absence of lactose
Example of inflammation as a response to bacterial infection.