“…An early hint that there might be an oesophageal microbiome came from the recognition that broad-spectrum antibiotics present a risk factor for oesophageal candidiasis [11]. Beginning in the 1980s, attempts to culture organisms from the oesophagus in cancer and in health revealed overlaps with the oral microbiota (Haemophilus influenzae, Moraxella catarrhalis, Streptococcus spp.…”