set of probiotics hand drawn packaging s. scientific in sketch styleн на 3

set bacteria streptococcus lactobacillus probiotic virus type bacterium vector microbe germ icon cell disease background infection group biology isolated illness microorganism sketch hand drawn engraved etch pen ink pencil drawing doodle intestine infographic flora opportunistic good gut digestion bowel microbiota food prebiotic medical microscopic abstract probiotics packaging designs scientific styleð½ ð½ð° style designs style