McALLEN — In the middle of a surge in COVID cases, South Texas College student Daisy Reyna said she is motivated to do her part to limit the spread of the virus.Among those STC faculty and students who turned up at STC’s first COVID testing site on campus, Reyna said she was recently in contact with someone who turned out positive for COVID-19.“It’s a new semester and with everyone coming back from the holidays I think it’s really important to have these testing centers available for teachers as well as students. It’s only a matter of time before we end ...