Import of norovirus infections in the Netherlands and Ireland following pilgrimages to Lourdes, 2008--preliminary report.
Between mid-September and 19 October 2008, nine clusters of norovirus infection involving around 90 primary cases and over a hundred secondary cases were identified in patients from the Netherlands, Ireland, Italy and France, linked to pilgrimage to Lourdes, France.
Verhoef
L
L
National Institute for Public Health and the Environment, Center for Infectious Disease Control, Bilthoven, the Netherlands. linda.verhoef@rivm.nl
Duizer
E
E
Vennema
H
H
Siebenga
J
J
Swaan
C
C
Isken
L
L
Koopmans
M
M
Balay
K
K
Pothier
P
P
McKeown
P
P
van Dijk
G
G
Capdepon
P
P
Delmas
G
G
D017250:Caliciviridae Infections / Q000453:epidemiology* / Q000382:microbiology; D007562:Creutzfeldt-Jakob Syndrome / Q000453:epidemiology*; D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D005602:France / Q000453:epidemiology; D005759:Gastroenteritis / Q000453:epidemiology* / Q000382:microbiology; D006801:Humans; D015994:Incidence; D007494:Ireland / Q000453:epidemiology; D009426:Netherlands / Q000453:epidemiology; D029322:Norovirus / Q000302:isolation & purification*; D011159:Population Surveillance; D018570:Risk Assessment / Q000379:methods*; D012307:Risk Factors; D014195:Travel / Q000706:statistics & numerical data*