Real-time RT-PCR analysis of swabs from HeV-infected pigs. Values presented as Log10 copy number per 12.5 μL of samples. Data displayed were averages from duplicates of each sample. (A) Nasal swabs; (B) oral swabs; (C) rectal swabs; (D) ocular swabs. Samples considered negative (2.0 Log10 copy number or less per reaction) are indicated with grey diamonds.