virus polyhedral morphology with single stranded dna on the black background

green lighting branch virus polyhedral morphology single stranded dna rna rendering black background adenoviridae adenovirus polyhedral polyhedron rna capsid capsomere disease viral virion virology virus icosahedron morphology nucleic acid pathogen polyhedra science shape strand structure transmission immune isolated medicine microbiology dna epidemic genetic microorganism biology biotech 3d