Patient presents with petechiae, hypotension, T> 40 °C, decreased platelets, no meningismus or leukocytosis in the setting of meningococcemia. What is the prognosis?

a) Good prognosis with prompt antibiotic treatment
b) Poor prognosis with a high risk of complications
c) Variable prognosis depending on the age of the patient
d) Excellent prognosis with spontaneous resolution