Use the active voice not passive voice when possible, and write in clear, short, direct sentences.

http://courses.ecornell.com/eportfolios/24819/Acivir_Eye_Ointment_Guards_Over_The_Counter__Cipla__Eye_Care_
http://erau.instructure.com/eportfolios/70229/Cliacil_1200000_Iu_Health__SanofiAventis__Antibiotics

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Three of the announced clusters were in student housing complexes, and the fourth was linked to a fraternity.