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Polio outbreak in Albania, 1996.
Marta Ciofi Degli Atti1, R Prevots, A Sallabanda
1Laboratorio di Epidemiologia e Biostatistica, Istituto Superiore di Sanita, Rome, Italy.
Summary
A large polio outbreak occurred in Albania from April to November 1996, despite the country being polio-free since 1985. This highlights the persistent risk of wild poliovirus introduction and circulation even in previously cleared regions.
Area of Science:
- Epidemiology
- Infectious Disease Control
- Public Health
Background:
- Albania experienced a significant polio outbreak between April and November 1996.
- The country had previously reported being polio-free since 1985.
- This event underscores the potential for wild poliovirus re-emergence.
Purpose of the Study:
- To analyze the epidemiology of the 1996 polio outbreak in Albania.
- To assess the risk factors contributing to the re-introduction and circulation of wild poliovirus.
- To inform future polio eradication strategies and surveillance.
Main Methods:
- Retrospective analysis of epidemiological data from the outbreak period.
- Review of vaccination coverage and public health infrastructure.
- Investigation into potential sources of wild poliovirus introduction.
Main Results:
- The outbreak involved a substantial number of polio cases.
- Evidence suggests the introduction of wild poliovirus into a previously polio-free population.
- Analysis of transmission dynamics and geographical spread.
Conclusions:
- The 1996 outbreak in Albania demonstrated the continued threat of wild poliovirus.
- Sustained vigilance and robust surveillance are crucial for maintaining polio-free status.
- International cooperation and vaccination efforts remain vital for global polio eradication.