Volume 9, Number 7—July 2003
Perspective
Global Screening for Human Viral Pathogens
Figure
![Schematic representation of a process for systematic discovery of human viruses. The basic process (left vertical series of steps) depends on physical isolation and shotgun sequencing to obtain sequences of frequent and rare viruses. A series of additional steps (right box) can be added to deplete known viruses at two levels, thereby enhancing sensitivity for novel agents.](/eid/images/03-0004-F1.jpg)
Figure. Schematic representation of a process for systematic discovery of human viruses. The basic process (left vertical series of steps) depends on physical isolation and shotgun sequencing to obtain sequences of frequent and rare viruses. A series of additional steps (right box) can be added to deplete known viruses at two levels, thereby enhancing sensitivity for novel agents.
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