Abstract
Summary
Circulating interferon, which may be indirect evidence of viral infections, was searched for in the Sudden Infant Death Syndrome (SIDS). A viral inhibitor with the properties of inteferon was detected in the serum of three out of 44 cases of SIDS, and in one out of 22 control cases. These results show that circulating interferon is not frequently detected in SIDS, and suggest that if viruses do play a role in the final common pathway of SIDS, they may possibly function in a local manner, rather than in a disseminated type of infection.
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