What is the epidemiology of sepsis?

Sepsis is a common disease with an estimated annual incidence of 51 to 690 cases per 100,000 inhabitants.
Sepsis is responsible for about 2% of total hospital admissions.
Sepsis is more common in emergency departments than in hospital wards or ICUs.
Sepsis is a disease that affects only a small percentage of the population.
a) I and II are correct.
b) II and III are correct.
c) I and IV are correct.
d) III and IV are correct.