scientist hand cultivating a petri dish whit inoculation loops in biological safety cabinet. microbiologist works with bacteria

scientist loop test biotechnology plate petri dish research medical microbiologist culture analysis microscope lab urine clinical microbiology bacteria hand sample science infection cell virus technician sickness biology organism background media disease fungi agar growth health medicine healthcare scientific experiment cabinet equipment bacterium germs biological inoculation colonies gloves analyze cultivating whit loops safety cabinet works bacteria