[Changes in pathogenic microbes in infectious diseases--present status and future].
D001419:Bacteria / Q000302:isolation & purification*; D005658:Fungi / Q000302:isolation & purification; D006801:Humans; D007239:Infections / Q000382:microbiology*; D012281:Rickettsia / Q000302:isolation & purification; D014780:Viruses / Q000302:isolation & purification*