pathogens through a magnifying glass. microorganisms. microbe

pathogen microorganism microbe organism microscopic magnifying glass size singlecelled colony cell type infectious agent closeup protozoa algae virus bacteria fungi disease pathogenic parasites amoeba eukaryote protista fungus transmission detection evolution emerging antibiotic resistance virulence immune response pandemic zoonotic microbial chlamydomonas paramecium scientific diagram healthy health medical science biology exam knowledge lesson explainer education biochemistry quiz instruction learning training schooling teaching coaching vector pathogens glass microorganisms single-celled form cells types agents close-up viruses fungi