Answer:
The correct option is : b. Neisseria meningitidis
Explanation:
Neisseria meningitidis, also known as Niesseria Meningococcus, is a round shaped, Gram-negative bacteria. This bacteria is the main cause of bacterial meningitis that is known to occur epidemically at college campuses. It can easily spread through respiratory secretions and saliva.
Some of the symptoms caused by this bacteria are fever, headache, fatigue, fever, headache and neck stiffness.