In 1995, during an ebola virus outbreak, approximately 80% of the infected individuals died. statement is an inference that could be made based on this information? a.) the individuals who survived were able to produce antibodies against the ebola b.) the individuals who survived were not exposed to the ebola antigens c.) eighty percent of the population has a natural immunity to the ebola virus d.) eighty percent of the population was infected with a viral antiger

option A - the individuals who survived were able to produce antibodies against the Ebola

Explanation:

Carefully observe the sentence structure

from which the inference was made "the individuals who survived were able to produce antibodies against the Ebola"

Note that the SURVEY focused only on INFECTED INDIVIDUALS.

So, assume 100 people were present during the outbreak. These 100 were also infected, but ONLY about 80 died - inferring that the REMAINDER (20 individuals) of those infected "escaped" death.

This "escape" or survival is definitely because the individuals were able to produce antibodies against the Ebola

A

Explanation: