It also interfered with HIV's ability to infect cells such as the immune system's t cells.

CA5也可以降低HIV病毒感染其他细胞的活性，例如免疫系统的T细胞。

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The primary isolated strain was used to infect human transformed T-cell lines MT4, and a stable passage strain 29A was gained.

方法：用从该患者外周血单核细胞中分离的病毒株感染MT4细胞，获得可在该细胞上稳定传代的病毒株29A。

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Like oTher viruses, HIV needs a hosT cell To mulTiply. IT aTTacks helper T cells and can infecT oTher cells.

像其它的病毒一样，HIV病毒也需要一个主体细胞来繁殖。它攻击辅助T细胞并感染其它的细胞。

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Whipworm from pigs appeared to be a good candidate because they don't naturally infect humans and can't reproduce in them.

WSJ: In a Squeaky-Clean World, a Worm Might Help Fight Disease

During the incubation period of seven to 17 days, you look and feel healthy and can't infect others.

CNN: Smallpox

And if you don't use Microsoft Word 97 (or the prerelease version of Word 2000), breath a sigh of relief: Melissa can't infect your computer.

CNN: How to protect yourself against Melissa