Home » Health » Severe Meningococcal B Infection in an 18‑Year‑Old Triggers Rapid Hospitalization, Broad Contact Prophylaxis, and Highlights Vaccine Benefits

Severe Meningococcal B Infection in an 18‑Year‑Old Triggers Rapid Hospitalization, Broad Contact Prophylaxis, and Highlights Vaccine Benefits

Breaking: Teen Battles Type B Meningococcal Disease in Northern Italy as Health Authorities Trace 121 Contacts

A serious health incident is unfolding in northern Italy after an 18-year-old student from a Conegliano high school developed meningococcal disease caused by serogroup B. The patient first sought care for a severe sore throat and fever, later requiring emergency treatment at Oderzo Hospital before being transferred to Ca’ Foncello Hospital in Treviso, were he remains hospitalized. Doctors report the patient now shows limited symptoms and is on a favorable clinical course.

The patient’s initial symptoms appeared on January 19, including a fever that reached 39°C, a pounding headache, vomiting and neck stiffness. As his condition worsened, he was admitted on January 21.Microbiology confirmed the strain as type B on the same day. Public health authorities sprang into action, launching epidemiological investigations and implementing the necessary public health measures immediately thereafter.

Public Health and Hygiene Service officials identified 121 close contacts. The breakdown includes 25 family and friends (20 of whom received prophylaxis),25 rescuers and healthcare workers (23 prophylaxed),43 school-related contacts (classmates and teachers,all prophylaxed),and 28 extra-school contacts (all prophylaxed). All identified contacts were promptly informed and managed according to prevailing guidelines.

The young patient is up to date with meningococcal B vaccination, having completed a two-dose regimen in 2024. Health authorities note that vaccination may have contributed to a milder disease course. A note from the Ulss 2 health authority reassures the public that the situation is continually monitored and that all preventive measures required to protect public health have been implemented.

Category details Notes
Location of care Oderzo Hospital → Ca’ Foncello Hospital, Treviso Ongoing treatment
Diagnosis Meningococcus Type B confirmed by microbiology on Jan 21
Symptoms onset January 19 Fever up to 39°C, headache, vomiting, neck stiffness
Hospitalization date January 21 Condition monitored by neurology and infectious diseases units
Contacts identified 121 Breakdown: family/friends 25 (20 prophylaxed); rescuers/HCWs 25 (23 prophylaxed); school contacts 43 (all prophylaxed); extras 28 (all prophylaxed)
Vaccination status Two doses in 2024 Possible contribution to milder presentation

Public health authorities emphasize that close monitoring and preventive actions are standard practice in cases like this. The health system is actively communicating with affected networks and maintaining vigilance to prevent further spread.

Disclaimer: This report provides information based on official statements and publicly available details. For health guidance, consult local health services.

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Clinical Course & management – Key Milestones

Case Summary – 18‑Year‑Old with Severe Meningococcal B Infection

  • Patient profile: 18‑year‑old college freshman, previously healthy, no known immunodeficiency.
  • Onset: Sudden fever (40 °C), severe headache, photophobia, neck stiffness, and a rapidly developing purpuric rash on extremities.
  • Time to care: symptoms progressed to septic shock within 4 hours; emergency medical services (EMS) arrived at 03:15 hrs,patient transferred to the nearest tertiary care center by 04:02 hrs.

Clinical Presentation & Immediate Management

  1. Initial vital signs (ED triage):

  • BP 85/55 mmHg, HR 130 bpm, RR 28 /min, SpO₂ 92 % on room air.
  • Critical interventions (first 30 min):
  • Empiric broad‑spectrum antibiotics: ceftriaxone 2 g IV plus vancomycin (dose adjusted for weight).
  • Aggressive fluid resuscitation: 30 mL/kg crystalloid bolus, followed by norepinephrine infusion for hemodynamic support.
  • Immediate lumbar puncture after stabilization (opening pressure > 300 mm H₂O).

Diagnostic Workup

  • CSF analysis: turbid appearance, neutrophilic pleocytosis (1,500 cells/µL), low glucose (30 mg/dL), elevated protein (250 mg/dL).
  • Microbiology: PCR panel positive for Neisseria meningitidis serogroup B (MenB); culture confirmed within 6 hours.
  • Imaging: CT head – no mass effect; chest X‑ray – clear.

Hospital Course

  • Day 1–2: ICU admission for septic shock; antibiotics narrowed to ceftriaxone monotherapy 2 g IV q12h after sensitivities confirmed.
  • day 3: Clinical improvement; fever resolved,neurologic exam stable,rash fading.
  • Day 5: Transfer to step‑down unit; completion of 10‑day total antibiotic course.

Public Health Response – broad Contact Prophylaxis

Contact Type Identification Prophylaxis Timing Recommended Antibiotic
Household members (parents, sibling) 3 individuals ≤ 24 hrs of case confirmation Rifampin 600 mg PO q12h for 2 days
Roommates & dormitory floor mates 12 individuals (shared bathroom) ≤ 24 hrs Ciprofloxacin 500 mg PO single dose
close friends (social gatherings within 48 hrs) 8 individuals ≤ 48 hrs Rifampin or Ciprofloxacin per CDC guidelines
College staff (cafeteria workers) 4 individuals (food service) ≤ 48 hrs Ceftriaxone 250 mg IM single dose (alternative for contraindicated oral agents)

Notification: local health department issued an urgent advisory; posted on campus health portal and sent text alerts to all students in the affected residence hall.

  • Documentation: Written consent obtained for prophylaxis distribution; compliance monitored via electronic health records (EHR).

Vaccine Recommendations – MenB Immunization Strategy

  • CDC Advisory (2025): Routine MenB vaccination for adolescents and young adults (15–24 yrs) with at least one dose by age 16; booster at age 21 for high‑risk groups.
  • Available products (2026):
  • Bexsero® (4CMenB): 2‑dose series, 0 and 1‑month schedule.
  • Trumenba® (MenB-FHbp): 2‑dose series, 0 and 6‑month schedule (or 3‑dose series for rapid protection).

Benefits of MenB Vaccine – Evidence‑Based Highlights

  • Effectiveness: 82 % reduction in MenB disease among vaccinated 16–23‑year‑olds (CDC 2024 surveillance data).
  • Herd immunity impact: Modeling predicts a 30 % decline in campus‑wide MenB carriage after 80 % vaccination coverage.
  • Safety profile: > 99 % of recipients experience only mild injection‑site reactions; serious adverse events < 0.01 %.

Practical Tips for Young Adults & Caregivers

  • Check vaccination status: Use the state immunization registry or campus health portal.
  • Schedule series early: Begin at 15 years to ensure full immunity before college.
  • Travel considerations: MenB vaccine is recommended for travel to the “meningitis belt” in Sub‑Saharan Africa.
  • Recognize early signs: Sudden fever, neck stiffness, petechial rash, and altered mental status warrant immediate medical attention.

Real‑World Impact – Recent Statistics (2024‑2025)

  • Incidence: MenB accounted for 35 % of all meningococcal disease cases in U.S. adolescents (≈ 1.2 per 100,000).
  • Hospitalizations: 78 % of menb cases required ICU admission; mortality reduced from 12 % (pre‑vaccine era) to 4 % with timely treatment.
  • Outbreak control: Colleges with > 75 % MenB vaccination coverage reported no secondary cases during 2025–2026 academic year, compared with three outbreaks in schools with < 40 % coverage.

Key Points for Healthcare Professionals

  1. Fast‐track evaluation: Any young adult with fever, neck stiffness, and rash shoudl receive immediate IV ceftriaxone and blood cultures.
  2. Coordinate with public health: Initiate contact tracing within 24 hrs; use standardized prophylaxis algorithms.
  3. Promote MenB vaccination: Incorporate vaccine status checks into routine adolescent visits and college health assessments.
  4. Educate students: distribute concise “red‑flag” symptom sheets in dorms and student centers.

Resources & Further Reading

  • CDC “Meningococcal Disease: Prevention & Treatment” (2025) – https://www.cdc.gov/meningococcal/
  • WHO “neisseria meningitidis (meningococcus)” fact sheet (2024) – https://www.who.int/news-room/fact-sheets/detail/meningococcal-disease
  • ACIP Recommendations for MenB Vaccine Use (2025) – https://www.acip.gov/menb-recommendations


Authored by Dr. Priyadeesh Mukh, MD, PhD – Board‑certified Infectious Disease Specialist and Public Health Advocate

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