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    Chickenpox

    • Surveillance since 1990
      State : active
    • Case definition :
      Typical eruption (erythemato-vesicular during 3 to 4 days with a dessication phase) beggining suddenly, with moderale fever (37°5C - 38°C, 100-101°F).

    • Description for each case: age; sex; contagion within 21 days before illness and if so in what environment (family, kindergarten, childcare, nanny, school, doctor's office, other); complications and if so which ones; immunization status and if vaccination: number of dose(s) and date of vaccination.
    In metropolitan France, last week (2019w11), the incidence rate of Chickenpox seen in general practice was estimated at 21 cases per 100,000 inhabitants (95% CI [15 ; 27]).
    Three regional clusters were noted, high in Bretagne (59 cases per 100,000 inhabitants, 95% CI [24 ; 94]) and Occitanie (40, 95% CI [12 ; 68]) and moderate in Nouvelle-Aquitaine (24, 95% CI [0 ; 54]).
    In metropolitan France, last week (2019w10), the incidence rate of Chickenpox seen in general practice was estimated at 25 cases per 100,000 inhabitants (95% CI [18 ; 32]).
    Six regional clusters were noted, high in Provence-Alpes-Côte d’Azur (40 cases per 100,000 inhabitants, 95% CI [4 ; 76]) and moderate in Nouvelle-Aquitaine (37, 95% CI [7 ; 67]), Occitanie (27, 95% CI [5 ; 49]), Ile-de-France (27, 95% CI [7 ; 47]), Corse (26, 95% CI [0 ; 63]) and Centre-Val de Loire (26, 95% CI [9 ; 43]).
    In metropolitan France, last week (2019w09), the incidence rate of Chickenpox seen in general practice was estimated at 25 cases per 100,000 inhabitants (95% CI [18 ; 32]).
    Six regional clusters were noted, high in Pays de la Loire (72 cases per 100,000 inhabitants, 95% CI [0 ; 170]) and Bretagne (41, 95% CI [4 ; 78]) and moderate in Hauts-de-France (39, 95% CI [4 ; 74]), Occitanie (30, 95% CI [5 ; 55]), Provence-Alpes-Côte d’Azur (29, 95% CI [0 ; 61]) and Ile-de-France (22, 95% CI [1 ; 43]).

    These news have been published using available data until their publication. Due to data consolidation, small variation of incidence values can be observed in the next 3 weeks

    Data of this page are updated each week and available at the same time as the weekly report

    Incidence rate of {{name}} in France (mainland) from start of surveillance

    For more information or dowload our data please visit the pages Database > Data tables

    Data of this page are updated each week and available at the same time as the weekly report

    All publications associated with this disease
    • Marziano V, Poletti P, Béraud G, Boëlle PY, Merler S, Colizza V. Modeling the impact of changes in day-care contact patterns on the dynamics of varicella transmission in France between 1991 and 2015. PLoS Comput Biol. 2018. 14(8):e1006334 PubMed PMC doi:10.1371/journal.pcbi.1006334
    • Souty C, Boos E, Turbelin C, Blanchon T, Hanslik T, Boëlle PY. Vaccination against varicella as post-exposure prophylaxis in adults: A quantitative assessment. Vaccine. 2015. 33(3):446-50 PubMed HAL doi:10.1016/j.vaccine.2014.11.045
    • Blaizeau F, Lasserre A, Rossignol L, Blanchon T, Kernéis S, Hanslik T, Levy-Bruhl D. Practices of French family physicians concerning varicella vaccination for teenagers. Med Mal Infect. 2012. 42(9):429-34 PubMed doi:10.1016/j.medmal.2012.07.013
    • Silhol R, Alvarez FP, Arena C, Amoros JP, Flahault A, Hanslik T, Boëlle PY. Micro and macro population effects in disease transmission: the case of varicella. Epidemiol Infect. 2010. 138(4):482-90 PubMed doi:10.1017/S0950268809990896
    • Pelat C,Turbelin C,Bar-Hen A,Flahault A,Valleron AJ. More diseases tracked by using Google Trends. Emerg Infect Dis. 2009. 15(8):1327-8 PubMed PMC doi:10.3201/eid1508.090299
    • Hanslik T, Blanchon T, Alvarez FP. [Immunization of adults against varicella and herpes zoster] Rev Med Interne. 2007. 28(3):166-72 PubMed doi:10.1016/j.revmed.2006.12.004
    • Hanslik T, Boëlle PY, Schwarzinger M, Carrat F, Freedberg KA, Valleron AJ, Flahault A. Varicella in French adolescents and adults: individual risk assessment and cost-effectiveness of routine vaccination. Vaccine. 2003. 21(25-26):3614-22 PubMed
    • Boëlle PY, Hanslik T. Varicella in non-immune persons: incidence, hospitalization and mortality rates. Epidemiol Infect. 2002. 129(3):599-606 PubMed PMC
    • Deguen S, Flahault A. Impact on immunization of seasonal cycle of chickenpox. Eur J Epidemiol. 2000. 16(12):1177-81 PubMed
    • Deguen S, Thomas G, Chau NP. Estimation of the contact rate in a seasonal SEIR model: application to chickenpox incidence in France. Stat Med. 2000. 19(9):1207-16 PubMed
    • Deguen S, Chau NP, Flahault A. Epidemiology of chickenpox in France (1991-1995). J Epidemiol Community Health. 1998. 52 Suppl 1:46S-49S PubMed
    • Flahault A, Farran N, Deguen S. Epidémie de varicelle en France. Bull Epidémiol Hebd. 1995. 33:149-150 Link