Volume 19, Number 1—January 2013
Research
Automated Biosurveillance Data from England and Wales, 1991–2011
Figure 2

Figure 2. . Weekly counts for 6 selected organisms, by date of specimen collection, England and Wales, 1991–2011.
Figure 2. . Weekly counts for 6 selected organisms, by date of specimen collection, England and Wales, 1991–2011.