virus infection, antibodies and blood cells

anatomy antibodies antibody antigen antivirus artery attack attacking bacillus background bacteria biology blood bloodcell body cancer causative cell cellular circular cut danger disease electron erythrocytes experiment germs health healthcare hematologic hiv human illness illustration image immune immunity immunology infection inflammation kill killercell leukocyte life lymphocyte macro medical medicine microbe microbiology microcosmic microcosmos microscope microscopic nano organism parasite pathogen plasma platelet problem red research schyzomycete science structure system vector vein vessel virus white