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Hepatitis A virus in urban sewage from two Mediterranean countries.
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Molecular methods for the detection and typing of hepatitis A virus (HAV) strains in sewage were applied to determine its distribution in Cairo and Barcelona. The study revealed the occurrence of different patterns of hepatitis A endemicity in each city. The circulating strains characterized, whether in Cairo or Barcelona, were genotype IB. The effects of a child vaccination programme and the increase in the immigrant population on the overall hepatitis A occurrence in Barcelona were evaluated. While vaccination contributed to a significant decrease in the number of clinical cases, the huge recent immigration flow has probably been responsible for the re-emergence of the disease in the last year of study, in the form of small outbreaks among the non-vaccinated population.
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PINTÓ SOLÉ, Rosa María, et al. Hepatitis A virus in urban sewage from two Mediterranean countries. Epidemiology and Infection. 2007. Vol. 135, num. 2, pags. 270-273. ISSN 0950-2688. [consulted: 22 of August of 2026]. Available at: https://hdl.handle.net/2445/193905