Table 1.

Description of the GWAS summary statistics.

Trait	Sample size (case)	Number of SNPs	Population	References
Gut microbiome	18,340	5,717,754	European	PMID: 33462485
COVID-19 susceptibility (COVID-19 vs. population)	159,840 vs. 2,782,977	14,328,058	Mixed	PMID: 32404885
COVID-19 severity (very severe respiratory confirmed vs. population)	18,152 vs. 1,145,546	11,707,239	Mixed	PMID: 32404885
COVID-19 hospitalization (hospitalized vs. population)	44,986 vs. 2,356,386	12,018,444	Mixed	PMID: 32404885