染

革兰氏染色法

gé lán shì rǎn sè fǎ

Gram stain (used to distinguished two different kinds of bacteria)

除沾染

chú zhān rǎn

decontamination

飞沫传染

fēi mò chuán rǎn

droplet infection (disease transmission from sneezing, coughing etc)

点染

diǎn rǎn

to touch up (a piece of writing)

一尘不染

yī chén bù rǎn

(idiom) untainted by even a speck of dust; spotlessly clean; (of a person) honest; incorruptible

上呼吸道感染

shàng hū xī dào gǎn rǎn

upper respiratory tract infection

交叉感染

jiāo chā gǎn rǎn

cross-infection

传染

chuán rǎn

to infect

传染性

chuán rǎn xìng

infectious; contagious

传染源

chuán rǎn yuán

source of an infection

传染病

chuán rǎn bìng

infectious disease; contagious disease; communicable disease

传染病学

chuán rǎn bìng xué

epidemiology