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Something to clean the air in the sickroom can't hurt - ions, UV light, or just a big fan with a big HEPA filter. I try to sneeze into the trash can; the used kleenex absorbs the air burst & droplets.
Coughs & sneezed produce mostly aerodynamically large droplets which fall out quickly (IIRC 60 seconds) so you need to disinfect surfaces.
Hmmm... maybe just old fashioned draping around the sickbed to contain aerosols, with a HEPA filtered fan to aim your sneezes into...
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