In cities, where cat populations are high, the spread of felineAIDS (which is contracted through scratches and bites) is greatly facilitated.
在城市中，猫的数量很多，因此猫艾滋(由于抓伤和咬伤而感染)很容易传播。
2
It turns out that coat color in cats may be associated with genetic changes that confer a defense against felineAIDS, and that in turn are linked to behavioral traits.