R.S. STEECE,^1,* T.J. ERICKSON,¹ R.A. SIEM<sup>1

1</sup>Minnesota Department of Health, Division of Medical Laboratories, Section of Virus & Rickettsia, 717

^*Present address: Health & Environment Department, Scientific Laboratory Division, Virology Laboratory, 700 Camino de Salud NE, Albuquerque, New Mexico 87106, USA.