cluster of giardia lamblia under a microscope. protozoan parasites with multiple flagella. disease transmission

giardia lamblia parasite microscopic view infection pathogen cell amoeba bacteria microbe protozoan flagella biology microorganism organism human intestinal protozoa flagellate giardiasis cellular helminth research medical micro study science unicellular eukaryotic concept design health hygiene magnification microscope multiple parasitic microbiology disease transmission bacterium background aqua parasitology laboratory backdrop wallpaper banner ai generated