Neisseria meningitidis
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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
The growth of Neisseria meningitidis colonies on New York City agar
Neisseria meningitidis in cerebrospinal fluid (CSF) seen by Gram stain at 1000× magnification
Epidemic
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An epidemic is the rapid spread of disease to a large number of hosts in a given population within a short period of time. For example, in meningococcal infections, an attack rate in excess of 15 case
Neisseria meningitidis
…human pathogen, it causes developmental impairment and death in about 10% of cases. It causes the only form of bacterial meningitis known to occur epidemically, mainly in Africa and Asia. It occurs worldwide in both epidemic and endemic form. N. meningitidis is spread through saliva and respiratory secretions…
The Plague of Athens (c. 1652–1654) by Michiel Sweerts, illustrating the devastating epidemic that struck Athens in 430 BC, as described by the historian Thucydides
Anopheles mosquito, the vector of malaria
Possibilities for zoonotic disease transmissions