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Smallpox
1Department of Emergency Medicine, University of Alabama at Birmingham, 619 19th Street South Jefferson Tower North 266, Birmingham, AL 35249-7013, USA. snafziger@uabmc.edu
Critical Care Clinics
|September 20, 2005
Summary
Smallpox, a eradicated infectious disease, poses a bioterrorism risk due to its high transmissibility and mortality. Rapid smallpox vaccine administration remains the only effective treatment.
Area of Science:
- Infectious Diseases
- Public Health
- Biosecurity
Background:
- Smallpox, caused by the Variola virus, was declared eradicated globally in 1980.
- Historically, smallpox had a significant mortality rate of approximately 30%.
- Its highly infectious nature raises concerns about potential development as a biological weapon.
Purpose of the Study:
- To review the characteristics of smallpox.
- To highlight its potential as a biological threat.
- To emphasize the importance of rapid vaccination.
Main Methods:
- Literature review of smallpox epidemiology and transmission.
- Analysis of historical smallpox impact and eradication efforts.
- Assessment of current biosecurity risks associated with Variola virus.
Main Results:
- Smallpox is readily transmissible during the incubation period, prior to symptom onset.
- Infected individuals require strict isolation and quarantine measures.
- Diagnosis necessitates high-containment laboratory confirmation.
Conclusions:
- The eradication of smallpox does not eliminate the risk of its re-emergence, particularly as a bioterrorism agent.
- Rapid administration of the smallpox vaccine is the sole effective countermeasure.
- Continued vigilance and preparedness are crucial for global health security.