Marta Ciofi Degli Atti1, R Prevots, A Sallabanda
1Laboratorio di Epidemiologia e Biostatistica, Istituto Superiore di Sanita, Rome, Italy.
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.
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