Fig. 1From: Alterations in the respiratory tract microbiome in COVID-19: current observations and potential significanceAssociations of oropharyngeal microbiome features with COVID-19 relative to healthy controls. Analytical approaches and statistical methods varied among studies; results tabulated reflect the authors’ conclusions. Only studies that collected both COVID-19 and healthy controls are included; studies employing samples for either group from public data exclusively were not included. The sample size reports the number of COVID-19 patients and healthy controls. The results were filtered to emphasize findings consistent across more than one studyBack to article page