This is particularly true for babies whose mothers are infected with HIV, even when the virus is not passed from mother to child.

尤其是那些母亲感染了HIV病毒的婴儿们，甚至在病毒还没有从母亲传给孩子的时候，这就再正确不过了。

youdao

That is also true in a rarer form of human AIDS caused by a virus called HIV-2.

这也真实地反映在另一种罕见的人类艾滋病上，这种艾滋病是由HIV - 2型病毒而引发的。

youdao

That led to hopes that the H5N1 virus simply lacked the ability to be a true pandemic killer and that to become more transmissible, it would necessarily have to become less dangerous.

从而我们可以简单地认为H5N1病毒缺乏成为大流行流感的能力，而H5N1要具有更强的传染性，它的致病性就不得不减弱。

youdao

According to the Centers for Disease Control and Prevention, pregnancy puts Wolf at higher risk of complications for flu in general, and so far that also holds true for the novel 2009 H1N1 virus.

CNN: Surviving H1N1 -- with baby in belly

Last year, however, Simonsen and Viggo Andreasen concluded that the true R-naught of the 1918 flu virus was probably somewhere between 3 and 4.

CNN: Scientists dig for lessons from past pandemics

This is true of the flu, hepatitis and AIDS. With the avian flu, we've modeled the virus on supercomputers, and we think we understand why it binds deep in the lungs--it's not communicable--you don't cough it up.

FORBES: Magazine Article