ORANGE COUNTY, Fla. – It’s unclear just how many cases of the coronavirus have been confirmed in students and staff at Orange County Public Schools based on the information the school district released Friday evening but 50 schools or worksites have had at least one COVID-19 case in the past two weeks.By the end of the school week on Friday, Orange County has issued 373 quarantine letters to specific students and/or staff at 27 schools across the district, according to a statement from the district.Earlier in the week, OCPS officials said they planned to release more information about virus cases tied to schools and worksites.