title: Opportunistic infection: a review.
mesh_terms: D000150:Acinetobacter / Q000472:pathogenicity; D000421:Alcaligenes / Q000472:pathogenicity; D001230:Aspergillus / Q000472:pathogenicity; D001412:Bacillus subtilis / Q000472:pathogenicity; D001419:Bacteria / Q000472:pathogenicity*; D001439:Bacteroides / Q000472:pathogenicity; D002175:Candida / Q000472:pathogenicity; D003352:Corynebacterium / Q000472:pathogenicity; D005658:Fungi / Q000472:pathogenicity*; D005673:Fusobacterium / Q000472:pathogenicity; D006801:Humans; D007239:Infections / Q000209:etiology; D009089:Mucor / Q000472:pathogenicity; D009343:Neisseria / Q000472:pathogenicity; D010271:Parasites / Q000472:pathogenicity*; D012705:Serratia / Q000472:pathogenicity; D013210:Staphylococcus / Q000472:pathogenicity; D013291:Streptococcus / Q000472:pathogenicity; D014733:Vibrio / Q000472:pathogenicity; D014774:Virulence; D014780:Viruses / Q000472:pathogenicity*