- But PRV has latent infection in pigs which carrys huge difficulty to eradicate it.
而伪狂犬病病毒具有较强的潜伏感染性，从而给伪狂犬病的根除带来了相当大的困难。
- This is Aspergillus infection of the lung.
这是肺曲菌性感染。
- Fever in surgical patients commonly represents bacterial infection.
外科病人的发热通常表示细菌性感染。
