A comparative analysis of the 2007 and 2017 Italian chikungunya outbreaks and implication for public health response

PLoS Neglected Tropical Diseases
Beniamino CaputoAngelo Solimini

Abstract

Both outbreaks started in small towns, but cases were also detected in nearby larger cities where transmission was limited to small clusters. The time spans between the first and the last symptom onsets were similar between the 2 outbreaks, and the delay from the symptom onset of the index case and the first case notified was considerable. Comparable infection and transmission rates were observed in laboratory. The basic reproductive number (R0) was estimated in the range of 1.8-6 (2007) and 1.5-2.6 (2017). Clinical characteristics were similar between outbreaks, and no acute complications were reported, though a higher frequency of ocular symptoms, myalgia, and rash was observed in 2017. Very little is known about the immune mediator profile of CHIKV-infected patients during the 2 outbreaks. Regarding public health responses, after the 2007 outbreak, the Italian Ministry of Health developed national guidelines to implement surveillance and good practices to prevent and control autochthonous transmission. However, only a few regional authorities implemented it, and the perception of outbreak risk and knowledge of clinical symptoms and transmission dynamics by general practitioners remained low. Efforts should be devoted to deve...Continue Reading

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Citations

Nov 14, 2020·International Journal of Environmental Research and Public Health·Mattia ManicaBeniamino Caputo
Oct 31, 2020·International Journal of Environmental Research and Public Health·Beniamino CaputoAlessandra Della Torre

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