set of bacteria and virus in outline style. disease-causing bacterias, viruses and microbes

bacteria virus pathogen type bacterium vector microbe germ streptococcus zika icon cell color disease set measles background infection group biology isolated corona graphic illness microorganism design cartoon medical colorful fun coronavirus flu microbiology human organism immunity microscopic bacillus salmonella collection immunodeficiency creature diseasecausing ugly influenzavirus helicobacter hepatovirus micro outline style disease-causing bacterias viruses microbes style microbes