Volume 21, Number 5—May 2015
Perspective
Detecting Spread of Avian Influenza A(H7N9) Virus Beyond China
Figure 3

Figure 3. Severe acute respiratory infection (SARI) and influenza-like Illness (ILI) sentinel sites in Vietnam, Thailand, Laos, and Cambodia. A given location might have >1 SARI or ILI sentinel site. SARI sites in Laos include planned SARI sites and 8 nonsentinel SARI sites. (The Lang Son and Quang Ninh province sites continue to operate. The Hanoi site operated until June 2014.)
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