Biology answers many questions<span>, </span>but its main focus is<span> how living organisms interact and function.
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Each vaccinated child stops the transmission of the disease. therefore, as long as 90 percent of the people in a community are immunized, no one dies of the disease.
<h3>What is herd immunity?</h3>
The expression herd immunity makes reference to a level of immunization in the population in which people become resistant to the pathogen.
In conclusion, each vaccinated child stops the transmission of the disease. therefore, as long as 90 percent of the people in a community are immunized, no one dies of the disease.
Learn more about herd immunity here:
brainly.com/question/18358089
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