Abstract
Since January 2013, an unusual increase in hepatitis A cases has been detected in northern Italy. A total number of 352 cases were reported to the integrated surveillance system between January and the end of May 2013 and this represents a 70% increase compared to the same period of the previous year. The outbreak is ongoing and the public health authorities are continuing their investigations to establish the transmission vehicle and to control the outbreak.
Highlights
Citation style for this article: Rizzo C, Alfonsi V, Bruni R, Busani L, Ciccaglione AR, De Medici D, Di Pasquale S, Equestre M, Escher M, Montaño-Remacha MC, Scavia G, Taffon S, Carraro V, Franchini S, Natter B, Augschiller M, Tosti ME, the Central Task Force on Hepatitis A
From 1 January 2013 to 31 May 2013 a total of 352 cases of hepatitis A were reported to the Italian national surveillance system, corresponding to a 70%, 54%, and 34% increase in hepatitis A virus (HAV) notifications compared to the same period in 2012, 2011 and 2010, respectively
According to the national legislation, laboratory-confirmed cases of hepatitis A virus (HAV) infection are reported by clinicians to the local health units (LHUs) which are responsible for the epidemiological investigation
Summary
Citation style for this article: Rizzo C, Alfonsi V, Bruni R, Busani L, Ciccaglione AR, De Medici D, Di Pasquale S, Equestre M, Escher M, Montaño-Remacha MC, Scavia G, Taffon S, Carraro V, Franchini S, Natter B, Augschiller M, Tosti ME, the Central Task Force on Hepatitis A. Ongoing outbreak of hepatitis A in Italy: preliminary report as of 31 May 2013. Since January 2013, an unusual increase in hepatitis A cases has been detected in northern Italy. A total number of 352 cases were reported to the integrated surveillance system between January and the end of May 2013 and this represents a 70% increase compared to the same period of the previous year. From 1 January 2013 to 31 May 2013 a total of 352 cases of hepatitis A were reported to the Italian national surveillance system, corresponding to a 70%, 54%, and 34% increase in HAV notifications compared to the same period in 2012, 2011 and 2010, respectively. We describe the epidemiological features of the cases and the investigation of the outbreak
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