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Scholars Journal of Applied Medical Sciences | Volume-14 | Issue-01
Meningococcal Infections: Epidemiology, Pathogenesis, Clinical Manifestations, and Prevention
Babu Praveena Barathi, George Simeon Packiaseelan Sharon Jacob, Ramakrishnan Akilraj, Robert Kennday Rashmi Rakkila Ruby, Showkathali Hafrish Abdullah, Sarthar Naina Mohamed Arpas Rohith, Murugesan...
Published: Jan. 19, 2026 | 36 36
Pages: 63-66
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Abstract
Meningococcal infection is a serious, life-threatening condition that develops as a consequence of the bacterium Neisseria meningitidis, a gram-negative diplococcus, mostly seen in children, adolescents, and young adults. Nonetheless, due to the rapid progression, case fatality, and development of sequelae, it remains a serious concern within the field of public health. The purpose of this article is to provide a brief update on the epidemiology, pathogenesis, clinical manifestations, diagnostic techniques, management, and preventive strategies for meningococcal infection. There has been a narrative integration of standard medical textbooks or guidelines for the synthesis of the article. Briefly, the clinical presentation of the condition is typically that of meningitis or meningococcemia, with symptoms such as fever, headaches, nuchal rigidity, confusion, along with a petechial or purpuric rash in the case of severe symptoms. The preliminary diagnosis can be made based on the physical assessment with confirmation of the CSF specimens, along with blood culture. Immediate initiation of antibiotics, especially third-generation cephalosporins, can play a pivotal role in curtailing the mortality. Chemoprophylaxis in intimate contacts, along with comprehensive vaccination against the seven serogroups, can be a preventive strategy. Conclusively, early detection, prompt management, along with vaccination initiatives, hold the key toward reducing the burden of meningococcal disease with regards to both morbidity as well as mortality.