Related Experiment Video

Updated: Aug 11, 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

Mumps outbreak at a summer camp--New York, 2005

    MMWR. Morbidity and Mortality Weekly Report
    |February 25, 2006
    PubMed

    Insights

    A mumps outbreak occurred at a summer camp despite 96% vaccination coverage. Imported virus from the UK, carried by an unvaccinated counselor, caused the outbreak, highlighting risks even in highly vaccinated populations.

    Area of Science:

    • Public Health
    • Epidemiology
    • Infectious Diseases

    Background:

    • A cluster of parotitis (mumps) cases was reported among campers and staff at a summer camp in Sullivan County, New York.
    • The New York State Department of Health (NYSDOH) initiated an investigation into the outbreak.

    Purpose of the Study:

    • To investigate the cause and spread of a mumps outbreak in a highly vaccinated summer camp population.
    • To identify factors contributing to the introduction and transmission of mumps virus.

    Main Methods:

    • Epidemiological investigation by NYSDOH.
    • Case identification and contact tracing among camp attendees and staff.
    • Assessment of vaccination status within the camp population.

    Main Results:

    • Thirty-one cases of mumps were confirmed.
    • The outbreak was linked to a camp counselor from the United Kingdom (UK) who was unvaccinated.
    • The camp population had a high vaccination coverage rate of 96%.

    Conclusions:

    • Mumps outbreaks can occur in highly vaccinated populations (96% coverage) if exposed to imported virus.
    • Unvaccinated individuals, even a small proportion, can act as vectors for disease transmission.
    • International travel can reintroduce vaccine-preventable diseases like mumps into areas with high immunization rates.

    More Related Videos

    Detection of Rabies IgG and IgM Antibodies Using the Rabies Indirect Fluorescent Antibody Test07:54

    Detection of Rabies IgG and IgM Antibodies Using the Rabies Indirect Fluorescent Antibody Test

    Published on: January 19, 2024

    Separation of Immune Cell Subpopulations in Peripheral Blood Samples from Children with Infectious Mononucleosis08:44

    Separation of Immune Cell Subpopulations in Peripheral Blood Samples from Children with Infectious Mononucleosis

    Published on: September 7, 2022

    Related Concept Videos

    Rocky Mountain Spotted Fever01:26

    Rocky Mountain Spotted Fever

    Rocky Mountain Spotted Fever (RMSF) is a severe tick-borne illness caused by Rickettsia rickettsii, a Gram-negative, coccobacillary bacterium. This pathogen is an obligate intracellular parasite, requiring a host cell for replication. Transmission occurs through the bite of an infected tick. In the United States, the most important vectors are Dermacentor variabilis (American dog tick) and Dermacentor andersoni (Rocky Mountain wood tick), though other tick species may also serve as vectors.
    Chickenpox01:20

    Chickenpox

    Chickenpox is an acute, highly contagious disease caused by the varicella-zoster virus (VZV), a double-stranded DNA virus belonging to the Herpesviridae family. Its transmission occurs primarily through the inhalation of respiratory droplets or direct contact with vesicular fluid from skin lesions. The incubation period typically ranges from 10 to 21 days, during which the virus replicates and disseminates through sequential phases within the host. Although generally self-limiting in children,...
    Investigation of Disease Outbreaks01:23

    Investigation of Disease Outbreaks

    Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...
    Poliomyelitis01:17

    Poliomyelitis

    Poliomyelitis is caused by poliovirus, a small, non-enveloped, positive-sense RNA virus of the Picornaviridae family and Enterovirus genus. Transmission occurs primarily via the fecal-oral route, often through ingestion of contaminated water or food. The virus initially replicates in the oropharynx and intestinal mucosa, particularly in lymphoid tissues such as the tonsils, Peyer’s patches, and regional lymph nodes. Primary viremia follows, allowing dissemination throughout the body.In most...
    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...
    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 include...