By Dr. Joynicole Martinez, Staff Writer People trying to find over-the-counter medication for their sick children are finding empty shelves, as a spike in respiratory illnesses pushes pediatricians and emergency rooms to the max. “We’re facing an onslaught of three viruses — COVID, RSV and influenza. All simultaneously,” says Dr. William Schaffner, an infectious disease specialist at Vanderbilt University. “We’re calling this a tripledemic.” Because of this tripledic, as you’re