Figure 3From: Timeliness of contact tracing among flight passengers for influenza A/H1N1 2009 Box plot distribution of serial intervals. The boxplox show Intervals I (delay flight arrival and date of diagnosis), interval II (delay date of diagnosis and CT request) and interval III (date of CT request and contact details identified), representing median, 25%-75% Quartile (IQR, in boxes), values between 1,5 IQR (lines) and outliers (* and ° with flight numbers).Back to article page