elder law weekly
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Common Cold
Low outdoor air supply in buildings increases exposure risk to cold viruses
June 23rd, 2004
In contrast to prior studies showing that hand contact transmitted cold viruses, investigators who sampled air from three buildings over 20 months found that occupants in buildings with a low outdoor air supply appeared to be at increased exposure risk to infectious cold droplets from fellow workers through the building's ventilation system. Researchers sampled air in three different office buildings from 9 a.m.-5 p.m. each work day, detecting airborne viruses in 32% of air sampling filters in the offices, using molecular methods. The investigators said that their data demonstrated a significant positive relationship between frequency of virus detection in air filters...
Source: elder law weekly (2004-06-23)
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