There has been a documented complaint of a possible sample delivery issue with Blackhawk VIROTROLŽ I external low positive control while using the Hamilton MicrolabŽ 530B Diluter, part of a HIV-1 test kit. The manufacturer, Biomerieux, is distributing a technical advisory bulletin to all users of this testing system. Any questions related to this test kit or related concerns should be directed to Biomerieux's technical customer service at 1-800-682-2666.
