Summary of the number of individual birds sampled during active surveillance in Mongolia 2005–2011.

<p>In 2008 samples were submitted for culture in embryonated eggs, and RT-PCR, the results obtained for culture are represented here.</p><p>HPAIV H5N1 viruses identified by virus isolation (VI) are indicated in parentheses, and those identified by real time reverse transcription polymerase chain reaction (PCR) are indicated in square brackets.</p>a<p>Figures include 197 live, clinically healthy Anseriformes, and 83 Ciconiiformes sampled on Erhel Nuur between 28 July and 1 August 2009, a period that coincided with an outbreak of HPAIV H5N1 that was subsequently confirmed through laboratory analysis.</p>b<p>Figures include one sick ruddy shelduck, and three dead juvenile Mongolian gulls at Erhel Nuur in July-August 2009 that subsequently tested positive for HPAIV H5 by rRT-PCR, and HPAIV H5N1 by virus isolation respectively.</p

Monthly bird counts at Erhel Nuur from April to October 2007.

<p>Total number of birds present are indicated (solid squares), together with counts of the predominant genera <i>Tadorna</i> (open diamond), <i>Anas</i> (open triangle), <i>Aythya</i> (open square), and <i>Bucephala</i> (open circle).</p

Summary of the number of individual birds sampled during outbreak investigations in Mongolia 2005–2011.

<p>HPAIV H5N1 viruses identified by virus isolation (VI) are indicated in parentheses, and those identified by real time reverse transcription polymerase chain reaction (PCR) are indicated in square brackets.</p