Two concurrent outbreaks of hepatitis A highlight the risk of infection for non-immune travellers to Morocco, January to June 2018

Martyna Gassowski, Kai Michaelis*, Jürgen J. Wenzel, Mirko Faber, Julie Figoni, Lina Mouna, Ingrid H.M. Friesema, Harry Vennema, Ana Avellon, Carmen Varela, Lena Sundqvist, Josefine Lundberg Ederth, James Plunkett, Koye Balogun, Siew Lin Ngui, Sofie Elisabeth Midgley, Sofie Gillesberg Lassen, Luise Müller

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

From January to June 2018, two ongoing hepatitis A outbreaks affected travellers returning from Morocco and cases in Europe without travel history, resulting in 163 patients in eight European countries. Most interviewed travel-related cases were unaware of the hepatitis A risk in Morocco. Molecular analysis revealed two distinct hepatitis A virus (HAV) strains (subgeno-type IA DK2018_231; subgenotype IB V18–16428). Vaccination recommendations should be emphasised to increase awareness among non-immune travellers to Morocco and HAV-endemic countries.

Original languageEnglish
Article number1800329
JournalEurosurveillance
Volume23
Issue number27
DOIs
Publication statusPublished - 5 Jul 2018

Bibliographical note

Funding Information:
First, we thank the European Centre for Disease Prevention and Control (ECDC)’s Food-and Waterborne Diseases and Zoonoses team, particularly Ettore Severi and Johanna Takkinen for their support of this joint investigation. We also thank Lelia Thornton, HSE-Health Protection Surveillance Centre, Dublin, Ireland for sharing information on the Irish hepatitis A patient. Moreover, we greatly acknowledge the work of local and state health departments for their support of epidemiological investigations and molecular surveillance.

Publisher Copyright:
© 2018, European Centre for Disease Prevention and Control (ECDC). All rights reserved.

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