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Figure 1 | Virology Journal

Figure 1

From: Aerosol influenza transmission risk contours: A study of humid tropics versus winter temperate zone

Figure 1

Aerosol influenza transmission risk contours. For the purposes of estimating risk of transmission of influenza by aerosol over 7 days, data points consisting of relative humidity and temperature in degrees C can be plotted on this contour map of the risk of transmission. (See Discussion, Development of contagion contours.) The risk of transmission over 7 days is the percentage value called out for each contour line. The 25%G7 transmission risk contour is emphasized (bold) as a boundary for risk of contagion. The 25%G7 contour was chosen based on calculating estimates of R (reproductive) values for various locations based on crude risk of aerosol transmission as derived from Equation 2, Contagion probability estimate by time expressed in days. (See also Discussion, 25% G7 transmission risk contour selection.)

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