Volume 18, Number 7—July 2012
Dispatch
Timeliness of Nongovernmental versus Governmental Global Outbreak Communications
Table 1
Time from the estimated start of an outbreak to its earliest communication by source*
| Variable | Governmental sources |
Nongovernmental sources |
p value | |||
|---|---|---|---|---|---|---|
| No. outbreaks | Median no. days (95% CI) | No. outbreaks | Median no. days (95% CI) | |||
| Period | ||||||
| 1996–2009 | 163 | 33.0 (30–44) | 103 | 23.0 (20–32) | 0.200 | |
| Pre-SARS | 90 | 39.5 (31–51) | 61 | 29.0 (20–50) | 0.161 | |
| Post-SARS | 73 | 29.0 (25–37) | 42 | 21.5 (17–32) | 0.613 | |
| Geographic location | ||||||
| Africa | 85 | 37.0 (29–51) | 41 | 31.0 (23–57) | 0.733 | |
| Americas | 13 | 30.0 (21–63) | 12 | 25.0 (20–34) | 0.568 | |
| Eastern Mediterranean | 24 | 41.0 (23–51) | 9 | 31.0 (16–82) | 0.903 | |
| Europe | 11 | 31.0 (23–79) | 9 | 20.0 (13–184) | 0.909 | |
| Southeast Asia | 8 | 28.0 (10–62) | 11 | 14.0 (11–51) | 0.431 | |
| Western Pacific | 22 | 26.0 (12–52) | 21 | 18.0 (13–33) | 0.789 | |
*Bootstrapping with 10,000 replicates was used to calculate 95% CIs for median values. SARS, severe acute respiratory syndrome.


