The title of this episode, Glanders is in fact a real and very lethal infection, communicable to and transmissible by humans. Mortality from the chronic form is within days. The article in Wikipedia relates how "between 1982 and 1984, the Soviet Union allegedly used weaponized Burkholderia mallei during the Soviet-Afghan War". There is no known antidote for it.
Susan Misner (Sandra Beeman) is no longer part of the main cast; Dylan Baker (William Crandall) has been added to the main cast.