Figure 3From: An analysis of microbiota-targeted therapies in patients with avian influenza virus subtype H7N9 infection Intestinal B/E ratio in patients with influenza virus H7N9 infection and healthy age- and sex-matched controls. Ratios in most patients were < 1. Triangles, healthy controls; diamonds, patients. Red symbols denote ≥80 years of age.Back to article page