Ettore Marchiafava was an Italian physician, pathologist and neurologist. He spent most of his career as professor of medicine at the University of Rome. His works on malaria laid down the foundation

Neisseria meningitidis, often referred to as the meningococcus, is a Gram-negative bacterium that can cause meningitis and other forms of meningococcal disease such as meningococcemia, a life-threaten