Very interesting cite. Wonder how the UV lights were set up -- how many watts or candlepower per cubic meter of room size? In 1958 they probably emitted a more dangerous spectra than what you can easily obtain today.
Footnote 10 seems to be the source of the aerosol size distribution data but its not free online:
http://www.informaworld.com/smpp/con...59620590918466
Anyway, putting a mask on the patient or tenting him, with negative ventilation into a filter, are methods to think about.