<span>the answer for this is Veins and Arteries</span>
A Charity unless you are talking about the name of an organization then try UNICEF.
Answer:
Standardized mortality ratio
Explanation:
In epidemiology, the standardized mortality ratio or SMR, is a quantity, expressed as either a ratio or percentage quantifying the increase or decrease in mortality of a study cohort with respect to the general population.
The correct answer is B, high rates of vaccination
