occult infection

An infection first recognised by secondary manifestations—e.g., increased neutrophils in the circulation or fever of unknown origin—often caused by a bacterial infection in an obscure site—e.g., a subphrenic or other intra-abdominal region

occult infection

An infection first recognized by 2º manifestations–eg, ↑ PMNs in the circulation or FUO, often caused by a bacterial infection in an obscure site–eg, a subphrenic or other intraabdominal region. See Fever of unknown origin.