Some unpublished data found that Bifidobacteria levels are negligible in vaccinated people.. Research has shown that COVID-19 mRNA vaccines reduce bacteria belonging to the Bifidobacteria genus, a common and beneficial gut bacteria. COVID vaccination is also linked to reduced gut biodiversity. Works by gastroenterologist Dr. Sabine Hazan, the CEO of ProgenaBiome, a microbiome genomic research laboratory, found that after COVID-19 vaccination, people's Bifidobacteria levels can fall by as much as 90 percent. Some of her unpublished data found that Bifidobacteria levels are negligible in vaccinated people. Bifidobacteria are among the first microbes to colonize a baby's gastrointestinal tract as he...