Final answer:
The correct answer is Influenza (option A), which is a nationally notifiable infectious disease and must be reported to the CDC due to its impact on public health.
Step-by-step explanation:
In the context of public health, a nationally notifiable infectious disease is one that health professionals are legally required to report to national health authorities like the Centers for Disease Control and Prevention (CDC). These diseases are monitored because of their significance to public health. Among the options provided, Influenza (option A) is indeed a nationally notifiable infectious disease. Influenza, or the flu, is known for its high contagion and potential to cause epidemics. Therefore, the correct answer is Influenza.