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The conjunctiva is exposed to bacteria and other irritants. Tears help protect the conjunctiva by washing away bacteria. Tears also contain enzymes and antibodies that kill bacteria.
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Conjunctivitis may be caused by a viral infection, such as a cold, acute respiratory infection, or disease such as measles , herpes simplex, or herpes zoster. Symptoms include mild to severe discomfort in one or both eyes, redness, swelling of the...
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Accurate diagnosis of conjunctivitis centers on taking the patient's history to learn when symptoms began, how long the condition has been going on, the symptoms experienced, and other predisposing factors. Diagnostic tests may include an eye exam...
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A virus is an infectious agent, often highly host-specific, consisting of genetic material surrounded by a protein coat.
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Bacteria are prokaryotes (unicellular organisms with no membrane-enclosed nucleus) with simple structures that typically range in size from about 0.5 to 20 micrometers.
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Chlamydia is a disease caused by the bacteria Chlamydia trachomatis. It is most commonly sexually transmitted.
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Chlamydia is the most common sexually transmitted disease (STD) in the United States, with about three million new cases diagnosed in the country each year. The disease is caused by a bacterium called Chlamydia trachomatis . The following areas in...
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Chlamydia is a common sexually transmitted disease (STD) caused by Chlamydia trachomatis , a bacterium. Chlamydia can be transmitted during vaginal, anal, or oral sex. An estimated 3 million Americans are infected with chlamydia each year. Three-q...
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Sexually transmitted disease (STD) caused by a bacteria called Chlamydia trachomatis. Chlamydia, a sexually transmitted disease, is more common than gonorrhea, affecting 35% and 8% of sexually active adolescents, respectively. Adolescent girls are...
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