I think it is the last choice that you put down. hopefully that helps.
The rise in herd immunity amongst a population can be directly attributed to vaccinations. Details about vaccination can be found below.
<h3>What is vaccination?</h3>
Vaccination is the inoculation with a vaccine, in order to protect from a particular disease or strain of disease
A vaccine is a substance given to stimulate the body's production of antibodies and provide immunity against a disease without causing the disease itself in the treatment, prepared from the agent that causes the disease.
Therefore, it can be said that rise in herd immunity amongst a population can be directly attributed to vaccinations.
Learn more about vaccinations at: brainly.com/question/6683555
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You just have to read it over again and youll get it very easy
