Which of the following provides the best summary of a positive outcome due to efforts to reduce disease and child mortality? (choose the best answer)

Smallpox has been eradicated and life expectancy has increased for those who contract HIV/AIDS.
In the U.S., Black Americans have AIDS infection rates eight times higher than those of their White counterparts.
In sub-Saharan Africa, young women account for six of every seven new cases of HIV.
In 2020, more than 240 million people contracted malaria worldwide.

Smallpox has been eradicated and life expectancy has increased for those who contract HIV/AIDS.