that announcement comes as hundreds of people turned out for a vaccination clinic at manassas mall today. jane watrel is in manassas with more on this story. hi, jane. reporter: well, hi, doreen. the prince to vaccinate prince george s county residents is on here at manassas mall. some 600 people are expected to pass through the clinic. but not everyone s happy about who s getting the shot. reporter: long lines in the manassas mall as expected moms and young families wait for a swine flu shot. just precautionary just like with your flu shot but because we know this is a little more severe especially for the kids we want to make sure that they re protected. reporter: many arrived early and prepared for the wait bringing folding chairs and games to help pass the time until the clinic opened. i knew i wouldn t be the only person showing up early but i didn t have any idea there would be quite this many. reporter: many say they re here as a last resort. their doctor s