Little Evidence for Genetic Susceptibility to Influenza A (H5N1) from Family Clustering Data
Virginia E. Pitzer* , Sonja J. Olsen†, Carl T. Bergstrom‡, Scott F. Dowell†, and Marc Lipsitch*
Author affiliations: *Harvard School of Public Health, Boston, Massachusetts, USA; †Centers for Disease Control and Prevention, Atlanta, Georgia, USA; ‡University of Washington, Seattle, Washington, USA;
Figure 1. Proportion of clusters limited to blood relatives versus the probability of infection (τ) under the null hypothesis (no variation in susceptibility). Point estimate of the observed data is represented by the solid black line; the shaded region represents the 95% confidence interval.
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