As states ramp up vaccination distribution in the fight against the coronavirus, volunteers are needed to do everything from direct traffic to check people in so vaccination sites run smoothly. In return for their work, they’re often given a shot. Many people who don’t yet qualify for a vaccine — including those who are young and healthy — have been volunteering in hopes of getting a dose they otherwise may not receive for months. Large vaccination clinics across the country have seen thousands trying to nab limited numbers of volunteer shifts.