Abstract
Conclusion
(1) Aureomycin appears to be more toxic for the chick embryo than for most other laboratory animals. (2) There seemed to be a significant difference in toxicity between the 2 lots of aureomycin used. Incubation of aureomycin at 56 °C for five days destroys the embryo-toxic principle as well as its antibiotic activity. (3) Aureomycin has no in vitro activity against herpes simplex virus. (4) As compared with its activity against the larger viruses, no similar in vivo effect against herpes simplex virus could be demonstrated.
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