Table 2.

Status of the birds sampled by passive (no background) and active (light grey background) surveillance by all RC and HPAI diagnostic results for 2018

	Bird status	No. of birds	PCR positive	VIa positive	PCR or VI positive	HPAI
Passive	Found dead	8,421	248	54	248	162
	Injured	287	0	0	0	0
	Live with clinical signs	437	1	0	1	1
Active	Hunted with clinical signs	29	0	0	0	0
	Hunted without clinical signs	2,072	122	15	122	0
	Live without clinical signs	4,006	212	52	214	0
Total		15,252	583	121	585	163

RC: reporting country; PCR: polymerase chain reaction; HPAI: highly pathogenic avian influenza.

^aVirus isolation.