野生鸟类感染了金丝雀痘病毒，企鹅也感染了禽疟。
Wild birds have caught the canary pox virus, and penguins have been stricken by avian malaria.
然而，一项针对禽疟扩散的新的分析显示，至少对于禽类来说，确实应该担忧。
However, a new analysis of the spread of avian malaria shows that for the birds, at least, there is a real worry.
报告突出介绍了几个指向疾病带来严重威胁的研究，比如，与青蛙种群的衰落有关联的禽疟和壶菌。
The report highlights several studies that point to serious threats from diseases such as avian malaria and the chytrid fungus, linked to declines in frog populations.
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