uri upper respiratory infection contagious the tract acronym text concept background |
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| navigate by keyword : abbreviation respiratory obstruction pharyngitis tonsillitis contagious background definition laryngitis infection bacterial education sinusitis helminth instance medicine teaching acronym concept illness involve medical occurre pharynx fungal health larynx phrase sinuse marker upper tract cause learn nasal viral text nose term urti word hand uri |
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| URI Upper Respiratory Infection - contagious infection of the upper respiratory tract, acronym text concept background. |
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