peritrichous bacteria with lot of flagellum, bacteria with tails, viruses floating in the liquid space,

flower green jewellery petal art leaf plant bead food yellow produce pattern gemstone branch bouquet peritrichous bacteria lot flagellum long tails thin villi moving black environment viruses floating liquid space microbe infection microvilli render bacteria microbes virus bacterial bacterium biology bowel render cell cells digestive disease epidemic escherichia escherichia coli fever flora gastrointestinal health hiv human illness infection intestinal lactobacillus listeria medical medicine micro microbiology microbiota microorganism microorganisms microscope microscopic molecules nano pathogen phage probiotic retrovirus science sickness stomach tail tails vaccine viral virology