but a temp that authorities said had a drug problem and did anything to get that fixed. 1966, linwood nelson served in baltimore. he said the baltimore va has been great, treating him for many years, more recently lung disease. that's why he was surprised when they contacted him about a meeting. >> it was a phone call from the chief of staff from the hospital's office telling me the situation about mr. kwiatkowski and said that i needed to come in to be tested, and about a week later they called me and told me that i tested positive for hepatitis c. >> reporter: nelson appears to be a victim of david kwiatkowski a temporary technician who worked in hospitals in seven different states, including four in maryland. kwiatkowski took sirens and in-- syringes and then used the same syringe on patients. >> i thought about my kids, loved ones, brothers, companion and all of that and wondering if, in the four years that i've walked around annoyingly hugging and kissing my kids and grand kids and wondering if any of them contracted it from me. >> reporter: no one else in nelson's family has the diseas