staphylococcus bacteria under a microscope

cells microscope bacteriemia sick structure mastitis endocarditis osteomyelitis micrograph identification staphylococcus hominis haemolyticus healthcareassociated communityacquired resistance staphylococci microorganisms saprophyticus grampositive pathogen medical infection bacterium bacteria aureus microbiology disease virus fever cocci biology skin antibiotic medicine health macro illness human life scientific pathology sepsis microscopic science background closeup epidemic sickness