leukocytes attack the virus. immunity of the body. 3d on medical research

abstract aids analysis and antibodies antibody attack background bacteria biology blood body cancer cell cells disease erythrocyte germs health healthcare hiv human illustration immune immunity infection infectious intoxication leukocyte leukocytes lymphocyte macro medical medicine microbe microbes microbiology microscope microscopic pathogenic protection red render research resistance science system therapy toxicity vessel virus viruses white