/ɪn'fekt; ɪn`fɛkt/
v [esp passive 尤用于被动语态
*Tn, Tn.pr] ~ sb/sth (with sth)
1 cause sb/sth to have a disease; contaminate sb/sth 使某人[某物]传染、感染; 污染某人[某事物]
*The laboratory animals had been infected with the bacteria. 实验室的动物都已受到这种细菌的感染.
* an infected wound 受到感染的伤口
* Clean the infected area with disinfectant. 把受感染的部分用消毒剂消毒.
* Police have sealed off infected areas of the country. 警方已将全国各感染区封锁了.
2 (fig derog 比喻, 贬) fill (sb's mind) with undesirable ideas 用坏思想感染（某人的思想）
*a mind infected with racial prejudice 受到种族偏见影响的头脑.
3 (fig approv 比喻, 褒) fill (sb's mind or spirit) with happy and positive ideas or feelings 用快乐的、好的思想感情感染（某人的心灵）
*Her cheerful spirits and bubbling laughter infected the whole class, ie They became happy too. 她那快乐的情绪和爽朗的笑声感染了全班.

v [T]
[Date: 1300-1400; Language: Latin;Origin: , past participle of inficere 'to dip in, stain']
to give someone a disease
　People with the virus may feel perfectly well, but they can still infect others.
infect with
　the number of people infected with HIV
[usually passive]
to make something contain something harmful that gives people a disease
infect with
　Eggs known to be infected with salmonella were allowed to go on sale.
if a feeling or interest that you have infects other people, it makes them begin to feel the same way or have the same interest
　Lucy's enthusiasm soon infected the rest of the class.
if a virus infects your computer or disks, it changes or destroys the information in them