Tracking An Outbreak That Has Infected Thousands

Hospital staff tries to identify infection spread by traveling technician.
2:31 | 07/28/12

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Transcript for Tracking An Outbreak That Has Infected Thousands
We turn to the desperate scramble at 13 hospitals in 8 states as hospital staff try to identify tens of thousands of people possibly infected by a traveling medical technician. David kerley has more. Reporter: This is a race right now to fig yr out how many people might have been infected with hepatitis c, by this traveling medical technician. He worked in eight states. The number of pabts could easily reach into the thousands. This man is accused of purposely infecting 30 people with a dangerous disease. And has launched a massive search of what could be an avalanche of more victims. 32-year-old david kwikowski is a traveling medical tech. He used needles, returned them to the hospital that were then used on patients. Problem is authorities say he's contaminated the needles with hepatitis c. If he knew he was infected and he put those needles back on the shelf, that's the definition of evil. Reporter: In new hampshire, been exposed. The man was a temporary worker traveling around the country. In the past five years, he's worked in four hospitals in maryland, one in arizona, three in philadelphia, at least eight states and 13 hospitals have been identified so far. Those numbers could increase. He's allegedly poisoned 30 people in the state of new hampshire we don't know the numbers elsewhere. Reporter: He was arrested and had an apparent suicide note saying he couldn't handle this stress anymore. Some hospitals are calling on thousands of people to get tested, as officials try to determine how many are at risk. Anyone in those hospitals when he was working there is potentially at risk. You're talking tens of thousands of people. Reporter: So we already know 30 people are infected in inspect. . About 75% of them that get hepatitic get the chronic form, those with serious liver problems. The advice from dr. Besser, if you or someone you are close to has been in those hospitals, get yourself tested.

This transcript has been automatically generated and may not be 100% accurate.

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