Trends in Imported Chikungunya Virus Infections in Germany, 2006-2009
As parts of Germany are considered potential colonization areas for A. albopictus, monitoring the trends of Chikungunya importation to Germany is a prerequisite for early detection of potential autochthonus cases.
Frank C, Schöneberg I, Stark K.Vector Borne Zoonotic Dis. 2011 Mar 31.
Description: The authors analyzed 152 cases of symptomatic Chikungunya virus infections that were notified in the years 2006 through 2009 in Germany for travel characteristics and demographic factors. All infections were imported from outside Europe. India, Mauritius and the Maldives were the most frequently named countries of infection, corresponding to the outbreak situation in these travel destinations. The median duration of travel was 19.5 days; both sexes were affected, with a median age of 46 years. 20% of the reported cases were hospitalized for a median duration of 7 days. The authors suggest that the rather high median age may be explained due to more severe disease courses in older patients leading to notification, while mild cases in younger patients may be underdiagnosed.
Public Health Significance: As parts of Germany are considered potential colonization areas for A. albopictus, monitoring the trends of Chikungunya importation to Germany is a prerequisite for early detection of potential autochthonus cases. An entomological surveillance of this invasive mosquito species in suitable habitats where it may colonize needs to be implemented in the EU. From data provided by entomologists, VBORNET produces updated maps of A. albopictus distribution in the EU.In 2010 A. albopictus was not established in Germany.
Chikungunya in Pacific Region
As of 15 October, 59 chikungunya cases have been reported in the commune of Teva i Uta, Tahiti, French Polynesia . No fatalities had been associated with this event.Read more
Surveillance of the chikungunya vector Aedes albopictus (Skuse) in Emilia-Romagna (northern Italy): organizational and technical aspects of a large scale monitoring system
The chikungunya virus outbreak that occurred in 2007 in northern Italy (Emilia-Romagna region) prompted the development of a large scale monitoring system of the population density of Aedes albopictus (Skuse, 1894), comparable at the provincial and municipal levels. In 2007, egg density data presented an aggregated distribution (VMR &gt;1) and Taylor's power law was applied to calculate the minimum number of ovitraps needed to obtain the prefixed precision levels: D=0.2 in the areas where the chikungunya epidemic occurred and D=0.3 in all the other urban areas &gt;600 ha.Read more