Related Experiment Video

Updated: Apr 24, 2026

Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery
10:03

Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery

Published on: November 5, 2019

7.0K

[Acute bacterial meningitis as an occupational disease]

Diana Seixas1, Ana Lebre1, Pedro Crespo1

  • 1Serviço de Doenças Infecciosas. Centro Hospitalar e Universitário de Coimbra. Coimbra. Portugal.

Acta Medica Portuguesa
|September 10, 2014
PubMed

Insights

Streptococcus suis, a zoonotic bacterium, caused meningitis in a man who prepared piglets. Prompt antibiotic treatment led to full recovery, highlighting potential underdiagnosis in Portugal.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Public Health

Background:

  • Streptococcus suis is a zoonotic pathogen causing significant human infections globally.
  • It is often associated with occupational exposure to pigs or pork products.
  • The bacterium is a known cause of meningitis and other severe infections.

Observation:

  • A case of acute bacterial meningitis is presented in a 44-year-old male restaurant worker who roasted piglets.
  • The patient had a history of chronic alcoholism.
  • Microbiological analysis confirmed Streptococcus suis in blood and cerebrospinal fluid (CSF).

Findings:

  • The patient fully recovered after a 14-day course of ceftriaxone.
  • A review of clinical reports in Portugal revealed a consistent link to pork exposure in all identified cases.
  • Streptococcus suis infections may be underdiagnosed in Portugal.

Implications:

  • This case underscores the importance of considering Streptococcus suis in meningitis cases, especially in individuals with occupational exposure to pigs.
  • Enhanced diagnostic awareness is crucial for timely treatment and improved patient outcomes.
  • Public health initiatives may be needed to address potential underdiagnosis and improve surveillance of this zoonotic pathogen in Portugal.

More Related Videos

Neisseria meningitidis Infection of Induced Pluripotent Stem-Cell Derived Brain Endothelial Cells10:12

Neisseria meningitidis Infection of Induced Pluripotent Stem-Cell Derived Brain Endothelial Cells

Published on: July 14, 2020

2.3K
Intracranial Subarachnoidal Route of Infection for Investigating Roles of Streptococcus suis Biofilms in Meningitis in a Mouse Infection Model07:26

Intracranial Subarachnoidal Route of Infection for Investigating Roles of Streptococcus suis Biofilms in Meningitis in a Mouse Infection Model

Published on: July 1, 2018

6.4K

Related Concept Videos

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...
8
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...
4
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...
179
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial...
8
Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease...
77
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
1.7K