From Interim Recommendations for Facemask and Respirator Use in Certain Community Settings Where Swine Influenza A (H1N1) Virus Transmission Has Been Detected, a definition of “close contact”:
Three feet has often been used by infection control professionals to define close contact and is based on studies of respiratory infections; however, for practical purposes, this distance may range up to 6 feet. The World Health Organization uses “approximately 1 meter”; the U.S. Occupational Safety and Health Administration uses “within 6 feet.” For consistency with these estimates, this document defines close contact as a distance of up to 6 feet.
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How far can sneeze propelled
How far can sneeze propelled mucus fly?
From Interim Infection
From Interim Infection Control Guidelines for Pandemic Influenza in Healthcare and Community Settings:
This is useful information
This is useful information even if the fear of swine flu is likely overblown. See this CMAJ article from a few years ago that puts the estimates of annual influenza deaths in Canada at somewhere between 700-2500 per year. That’s quite a few people from the “garden variety” flu, but because we’re familiar with it, we don’t notice. It’s the novelty that allows swine flu to make the news.
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