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Cytopathic effect, dehydration, and DNA copies after inoculation of common environmental surfaces with cytomegalovirus (CMV). Cytopathic effect seen through 2-week observation of viral culture on human lung fibroblast cells and scored from 0 to 4+. Plus sign indicate wet appearance; minus signs, dry appearance. Results of quantitative real-time CMV polymerase chain reaction assay are shown as DNA copies per reaction.
