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Influenza in travellers
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm , Centrum för klinisk forskning i D län (CKFD).
2010 (English)In: Current Opinion in Infectious Diseases, ISSN 0951-7375, E-ISSN 1535-3877, Vol. 23, no 5, 421-425 p.Article, review/survey (Refereed) Published
Abstract [en]

Purpose of review The importance of travelling as an important factor for spread of influenza has become even more evident during the recent pandemic year. All the same, the mechanism for seasonal spreading of influenza is not yet fully understood. Recent findings The incidence of influenza in returning febrile travellers from subtropical and tropical regions is between 5 and 15% with no significant differences between those vaccinated and not vaccinated in the reviewed studies. The power of the studies to detect differences are, however, low. In these studies, 12-85% of the travellers or pilgrims were vaccinated against influenza. Air transportation, and especially long-haul flight, is a key factor for the spread of influenza even though travel restrictions seem to be of no use for preventing a pandemic spread. Summary Influenza should always be considered in a febrile traveller with or without respiratory symptoms. Future studies on incidence of travel-related influenza should consider the short incubation period for a better estimate. Vaccine from the opposite hemisphere should be made available for travellers, and influenza vaccine studies should focus on optimizing the effect of the vaccine in the elderly and immunocompromised.

Place, publisher, year, edition, pages
2010. Vol. 23, no 5, 421-425 p.
Keyword [en]
influenza, travellers, vaccination
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-147143DOI: 10.1097/QCO.0b013e32833c6863ISI: 000281653400004OAI: oai:DiVA.org:uu-147143DiVA: diva2:399977
Available from: 2011-02-24 Created: 2011-02-24 Last updated: 2011-02-24Bibliographically approved

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