Fig. 1

Gut microbial diversity of pregnant women differs by SARS-CoV-2 infection. Gut microbiota alpha diversity at the sequence variant (SV) level, of pregnant women with a positive SARS-CoV-2 diagnosis during pregnancy (Positive) or healthy controls (HC) was estimated using the Shannon index. P values were calculated by applying a linear regression model with Shannon diversity indexes as the dependent variable and SARS-CoV-2 infection (and other covariates, see methods) as the independent variables