它们包括一份疾病清单，例如天花、脊髓灰质炎和严重急性呼吸道综合征，其发生必须向世卫组织通报。
They include a list of diseases such as smallpox, polio and SARS whose occurrence must be notified to WHO.
严重急性呼吸道综合征和禽流感等新疾病正在以史无前例的速度出现。
New diseases, like SARS, like avian influenza, are emerging at an historically unprecedented rate.
猪繁殖障碍与呼吸道综合征（PRRS）和猪圆环病毒2型（PCV-2）是近几年来严重危害猪群的两大免疫抑制性疾病。
Porcine reproductive and respiratory syndrome(PRRS) and porcine circovirus type 2(PCV-2) are two immunosuppressive diseases which are greatly endangering swine in recent years.
禽呼肠病毒能引起鸡的腱鞘炎、吸收障碍综合征和呼吸道疾病。
(ARV) can cause viral tenosynovitis, malabsorption, and respiratory diseases in chickens.
禽呼肠病毒能引起鸡的腱鞘炎、吸收障碍综合征和呼吸道疾病。
(ARV) can cause viral tenosynovitis, malabsorption, and respiratory diseases in chickens.
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