Volume 16, Number 5—May 2010
Research
Capacity of Public Health Surveillance to Comply with Revised International Health Regulations, USA
Figure 2
![Number of states that notify the Centers for Disease Control and Prevention of an unusual or unexpected case or outbreak of disease, by time frame, United States, 2009.](/eid/images/09-1127-F2.jpg)
Figure 2. Number of states that notify the Centers for Disease Control and Prevention of an unusual or unexpected case or outbreak of disease, by time frame, United States, 2009.
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