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Sneezing and Germs
"Respiratory viruses cause sneezing and coughing...Nasal secretions [from sneezing] can travel at a velocity of over 20 meters per second and a distance greater than three meters (about 10 feet) to contaminate surrounding fomites [or surfaces]."
- "Significance of Fomites in the Spread of Respiratory and Enteric Viral Disease"
by Stephanie A. Boone and Charles P. Gerba, Department of Soil, Water and Environmental Science, University of Arizona, Tucson, Arizona 85721
9995_ lores.jpg (76 KB)
Transmission electron micrograph of Escherichia coli O157:H7.
Transmission electron micrograph of E. coli O157:H7 showing flagella. Pseudoreplica technique.
Source: CDC
Link to hi-res version:
http://phil.cdc.gov/PHIL_Images/9995/9995.tif
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