Positive PPD: Present infection Past exposure Did Vaccinate
J jackat1000 · Registered Joined Dec 31, 2009 · 54 Posts Discussion Starter • #1 • Jan 13, 2010 Positive PPD: Present infection Past exposure Did Vaccinate
T theimgway · Registered Joined May 20, 2016 · 32 Posts #3 • May 25, 2016 nice quick and easy for memory!!
