Table 1. Titres of A/Anhui/1/2013 (H7N9) influenza virus in chicken oropharyngeal swabs.

Dpi	No. shedding/total	Mean virus titre (log10EID50 per ml−1±s.d.)
3	4/4	3.75±1.33
5	4/4	3.94±1.54
7	2/4	1.50±0.00
10	0/4	<0.75*

Dpi, days post inoculation; No., number.

^*<0.75, below the lower limit of detection. All the cloacal samples were below the lower limit of detection.