________ _________ is an estimate of the average number of years a baby born in a given year might expect to live. 

First babies have a lower chance of infant death than later siblings.

_________ __________ is defined as the death of an infant before his or her first birthday.

How did many black leaders, including W. E. B. DuBois respond to World War I? 

Which of the following statements is true regarding financial wellness for the elderly?

The __________________  of disease is the number of new cases that develop within a given time period

The infant mortality rate is the number of infant deaths for every ________ live births.

Vaccination protects the person from infection and also stops the chain of _________.

The term “disease frequency ” is used interchangeably with the term prevalence.

If the reproduction number is 3 then, on average, each infected person will infect _______ other people.