podoviridae t7 bacteriophage 3d rendering

podoviridae bacteriophage phage phages herapy virus structure coliphage t7 viral biocontrol virion virology virulent 3d isolated rendering enterobacteria biology body contagious delivery drug health icosahedral immunity infect infecting infection infectious lysis lytic protection stubby pathogen medicine microbiology micrograph microscopic model molecules morphology organism pandemic pathogens science short tail