Related Experiment Video

Updated: Aug 20, 2026

Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 3. Aerobiology
11:13

Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 3. Aerobiology

Published on: October 3, 2016

Marburg and Ebola viruses as aerosol threats

Elizabeth K Leffel1, Douglas S Reed

  • 1Center for Aerobiological Sciences, U.S. Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, Maryland 21702-5011, USA.

Biosecurity and Bioterrorism : Biodefense Strategy, Practice, and Science
|December 14, 2004
PubMed

Insights

Ebola and Marburg viruses, known as filoviruses, pose a significant threat due to their high mortality and potential for aerosol transmission. Further research into animal models is crucial for understanding and mitigating this biological weapon risk.

Area of Science:

  • Virology
  • Aerobiology
  • Infectious Diseases

Background:

  • Ebola and Marburg viruses belong to the genus Filovirus, family Filoviridae.
  • Filoviruses cause severe viral hemorrhagic fever (VHF) with high mortality and rapid onset.
  • They are classified as Category A biological weapons due to their infectious nature.

Purpose of the Study:

  • To provide an aerobiologist's perspective on the threat posed by aerosolized filoviruses.
  • To review existing data on aerosol studies and naturally occurring filovirus outbreaks.
  • To highlight discrepancies in current animal models for filovirus exposure.

Main Methods:

  • Review of published aerosol studies on filoviruses.
  • Analysis of historical data, epidemiology, and disease course from human outbreaks.
  • Comparative assessment of animal models and human disease manifestations.

Main Results:

  • Limited data exists on animal studies involving aerosolized filoviruses.
  • Existing animal models for filovirus exposure are not well characterized.
  • Discrepancies are noted between animal models and human filovirus outbreak observations.

Conclusions:

  • Aerosolized filoviruses represent a significant biological threat.
  • Further research is needed to characterize animal models for aerosolized filovirus exposure.
  • Understanding aerobiological transmission is critical for risk assessment and mitigation strategies.

More Related Videos

Detection of Viruses from Bioaerosols Using Anion Exchange Resin06:10

Detection of Viruses from Bioaerosols Using Anion Exchange Resin

Published on: August 22, 2018

Modeling The Lifecycle Of Ebola Virus Under Biosafety Level 2 Conditions With Virus-like Particles Containing Tetracistronic Minigenomes10:11

Modeling The Lifecycle Of Ebola Virus Under Biosafety Level 2 Conditions With Virus-like Particles Containing Tetracistronic Minigenomes

Published on: September 27, 2014

Related Concept Videos

Inhalation Anthrax01:25

Inhalation Anthrax

Anthrax is a zoonotic disease caused by Bacillus anthracis, a Gram-positive, spore-forming bacterium. It primarily affects herbivorous animals but can be transmitted to humans through skin contact, ingestion, or inhalation of spores.Cutaneous anthrax, the most common form, typically results from direct contact with bacterial spores through skin abrasions and is generally less severe. Gastrointestinal anthrax results from eating undercooked or contaminated meat. It affects the mouth, throat, or...
Transmission-based Precautions II: Airborne and Protective Environment01:25

Transmission-based Precautions II: Airborne and Protective Environment

Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...
Arboviral Encephalitis01:25

Arboviral Encephalitis

Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
Respiratory Syncytial Virus Disease01:29

Respiratory Syncytial Virus Disease

Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...
Coronavirus01:29

Coronavirus

Coronaviruses, including the severe acute respiratory syndrome coronavirus (SARS-CoV), are enveloped viruses characterized by their single-stranded, positive-sense RNA genome and helical nucleocapsid structure. The hallmark of these viruses is their club-shaped spike (S) glycoproteins that protrude from the viral envelope, facilitating attachment to host cells. Typically, coronaviruses infect the upper respiratory tract, often causing mild or asymptomatic disease. However, certain strains like...
Viral Recombination00:57

Viral Recombination

Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.