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Master Thesis

Étude de la couverture médiatique associée aux épidémies de chikungunya et de zika en Guyane, juin 2013-mars 2017

Abstract : French Guiana is located on the South American continent and is subject to a high epidemic potential, particularly of arboviral diseases. After a decade of hyper-endemic dengue fever until 2013, successive emergences of chikungunya and zika virus occurred between 2014 and 2016. French Guiana has adopted an integrated vector control and surveillance system, relying on population’s adherence. In the mean time, studies led at the Pasteur Institute of Cayenne revealed that (1) individual protective behaviours largely depend on risk perception, (2) this perception evolve during the epidemic process. In our over-mediatized "risk society", with media and social networks playing an increasing role as information transmitters, we may wonder how media coverage evolves during epidemics. In this report, we investigated media coverage of the recent chikungunya and zika outbreaks in French Guyana. Among websites and social networks (Facebook and Twitter) pages of eight general media outlets and four health authority agencies, we retrospectively collected all publications containing the keywords “chikungunya” and “zika” between June 2013 and March 2017 (N = 1730). The analysis of publications’ numbers compared to characteristic epidemic phases or events revealed that communication on outbreaks was mostly carried out at the very beginning ofthe outbreak and quickly dropped before the epidemic reached its peak. The notion of risk was identified as a determinant of communication, and our results raised implications for communication by health authorities during outbreak.
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Master Thesis
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Carine Grenier. Étude de la couverture médiatique associée aux épidémies de chikungunya et de zika en Guyane, juin 2013-mars 2017. Santé publique et épidémiologie. 2019. ⟨dumas-02446271⟩

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