07 April 1995
Vol 268, Issue 5207

About The Cover

Colorized image of a virus (vertical length, 696 nanometers) recently isolated in Australia from horses and one human who all died of acute respiratory disease. It is a previously unknown member of the genus Morbillivirus, being a distant relation of other members such as the measles, distemper, and rinderpest viruses. See page 94 and the News story on page 32. [Photo: CSIRO Australian Animal Health Laboratory]