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Related Concept Videos

Viral Meningitis01:18

Viral Meningitis

Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...
Bacterial Meningitis01:24

Bacterial Meningitis

Bacterial meningitis is a severe infectious disease involving inflammation of the meninges, the protective membranes surrounding the brain and spinal cord. It occurs when pathogenic bacteria cross the blood–brain barrier and enter the cerebrospinal fluid. Common causative organisms include Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae type b, Listeria monocytogenes, and Escherichia coli K1. The exact route of entry varies by pathogen and host condition.Routes of Entry...
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...

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Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery
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Published on: November 5, 2019

Meningococcal serology.

S J Gray1, R Borrow, E B Kaczmarski

  • 1, Manchester, UK.

Methods in Molecular Medicine
|February 22, 2011
PubMed
Summary
This summary is machine-generated.

Meningococcal serology is crucial for evaluating vaccines and immune responses. Nonculture diagnostic methods, including serology and PCR, are increasingly important for diagnosing meningococcal disease, especially with antibiotic use.

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Area of Science:

  • Microbiology
  • Immunology
  • Vaccinology

Background:

  • Meningococcal serology has been a primary tool in vaccinology for two decades.
  • Nonculture diagnostic methods are gaining importance due to pre-admission antibiotic use.
  • Accurate diagnosis is vital for assessing new vaccines like the serogroup C conjugate vaccine.

Purpose of the Study:

  • To highlight the significance of meningococcal serology in vaccine evaluation.
  • To emphasize the role of nonculture diagnostic methods in identifying meningococcal infections.
  • To underscore the need for accurate assays in assessing vaccine effectiveness.

Main Methods:

  • Review of existing literature on meningococcal serology and diagnostics.
  • Discussion of polymerase chain reaction (PCR) and antigen detection methods.
  • Emphasis on the requirements for reproducible serological assays.

Main Results:

  • Meningococcal serology is essential for vaccine candidate evaluation and immune response quantification.
  • Nonculture diagnostic methods (PCR, antigen detection, serology) are increasingly vital.
  • Accurate case ascertainment is critical for evaluating vaccine effectiveness.

Conclusions:

  • Meningococcal serology remains a key component in vaccinology.
  • Nonculture diagnostic techniques are becoming as important as traditional culture methods.
  • Reliable assays are necessary for both vaccine development and disease surveillance.