biotechnologist woman is working in research laboratory viewing sample in microscope portrait of expert person exploring of viruses and bacteria

biotechnologist woman working research laboratory viewing sample microscope portrait expert person exploring viruses bacteria experiment chemistry chemist technology biotechnology biology microbiology people chemical hospital analyzing biochemistry biological researcher examining technician biologist ecologist experimenting illness bacterial education laboratorial microbiologists pharmacist analysing immunology testing microbiological serology developing reagents bacteriological exploration center analyst