Guest Editorial: Historical Note on the Origin of the LaSota Strain of Newcastle Disease Virus

It has been more than thirty years since live-virus Newcastle disease vaccines were introduced for use in poultry production. One aspect of the situation has never been reported: the complete history of the LaSota strain of vaccine virus, now used throughout the world. The writer is the last person alive who had intimate knowledge of the situation; the others were Dr. Fred R. Beaudette, Dr. Arthur D. Goldhaft, Dr. Nathan E. Wernicoff, and Charles B. Hudson.