Be careful not to be infected with flu.

小心别传染上流感。

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In many cases, relatives and friends to worry about Wang Chunzheng, often reminded her attention to protect themselves, not to be infected.

很多时候，亲戚朋友为王春担心，经常提醒她注意保护自己，不要被感染。

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Before undergoing the transplant, the patient was also found to be infected with low levels of a type of HIV known as X4, which does not use the CCR5 receptor to infect cells.

在进行移植前，病人被发现感染了少量的一种HIV病毒，X4。这种病毒不利用CCR5作为受体来感染细胞。

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These drugs could be used not only to treat infected patients, but as a prophylaxis in those who might be exposed to the bug.

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In other markets where neither approach is being tested, the 250 GB limit is being suspended, although Cohen says that the company will contact the small number of users who are using excessive amounts of bandwidth, in part to be sure they are not infected with malware or have an unsecured wireless router.

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In this regard, we need to examine existing cohorts of children who years ago were truly infected (or were assumed to be infected) and were treated not within hours of detection of virus but within weeks to months to determine if such cases had similar outcomes to the Mississippi child and can shed light on the timing and intensity of starting therapy.

WHITEHOUSE: Prevention and Treatment of HIV Infection in Infants Born to Infected Mothers: Need for a Fresh Look | The White House