It can be differentiated from viral conjunctivitis by the purulent discharge ( shown ) .
其具有脓性分泌物的特征（如图所示），故可将其与病毒性结膜炎相鉴别。
Sharing face towels is a great way to get conjunctivitis , the infection also known as pinkeye .
和别人共用毛巾是导致结膜炎的主要途径，这种传染病也叫红眼病。
Bacterial conjunctivitis is a microbial infection involving the mucous membrane on the surface of the eye .
细菌性结膜炎是一种影响眼表粘膜的微生物感染。
Infections are usually self-limited , but compared to bacterial conjunctivitis they last longer ( 2-4 weeks ) , show less inflammation , do not have purulent discharge , and a preauricular lymph node may be palpable .
