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Trachoma is the major cause of [blank_start]blindness[blank_end] in the world
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Trachoma is caused by a micro-organism with features of a [blank_start]bacterium[blank_end] and a [blank_start]virus[blank_end]
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The first sign of trachoma is [blank_start]red eye[blank_end]
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Trachoma is a disease
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In the later, non-infectious stages of trachoma, the eyelashes turn inward to rub on the eye (a condition called [blank_start]trichiasis[blank_end]), which leads to scarring and finally [blank_start]blindness[blank_end]
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Diagnosis of trachoma is usually done on [blank_start]clinical[blank_end] grounds, but can be confirmed by taking scrapings from the inside of the eyelid
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Trachoma transmission is encouraged by close [blank_start]contact[blank_end] and [blank_start]dirty[blank_end] conditions
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Trachoma is transmitted by flies or from child to child
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Trachoma is communicable as long as [blank_start]active lesions[blank_end] are present. When treatment starts, the infectivity ceases after 2-3 [blank_start]days[blank_end]
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Trachoma is mainly found in wet/humid regions
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Trachoma is mainly found in
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In endemic areas, trachoma affects 80 to 90% of this group
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Short term preventive measures against trachoma are
1) [blank_start]Washing away secretions[blank_end]
2) [blank_start]Wearing clean clothes[blank_end]
3) [blank_start]Keeping surroundings clean[blank_end]
Long-term preventive measures include improving [blank_start]sanitation[blank_end] and providing [blank_start]water[blank_end] supplies
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Trachoma should be [blank_start]mass[blank_end] treated with antibiotics and blindness can be prevented through a simple [blank_start]operation[blank_end]
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Trachoma surveillance is most easily done in [blank_start]schools[blank_end]
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The incubation period of trachoma is
Respuesta
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5-12 days
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1-3 days
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1-2 weeks
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2-3 weeks