| arterivirus infections | Infections caused by viruses of the genus arterivirus. (12 Dec 1998) |
|---|---|
| ascaridida infections | Infections with nematodes of the order ascaridida. (12 Dec 1998) |
| astroviridae infections | Infections with astrovirus, causing gastroenteritis in human infants, calves, lambs, and piglets. (12 Dec 1998) |
| bacillaceae infections | Infections with bacteria of the family bacillaceae. (12 Dec 1998) |
| bacterial infections | Infections by bacteria, general or unspecified. (12 Dec 1998) |
| bacterial infections and mycoses | Infections caused by bacteria and fungi, general, specified, or unspecified. (12 Dec 1998) |
| bacteroidaceae infections | Infections with bacteria of the family bacteroidaceae. (12 Dec 1998) |
| bacteroides infections | Infections with bacteria of the genus bacteroides. (12 Dec 1998) |
| bartonellaceae infections | Infections with bacteria of the family bartonellaceae. (12 Dec 1998) |
| birnaviridae infections | Virus diseases caused by the birnaviridae. (12 Dec 1998) |
| blastocystis infections | Infections with protozoa of the genus blastocystis. The species b. Hominis is responsible for most infections. Surveys have generally found small numbers of this species in human stools submitted for parasitologic studies, with higher positivity rates and organism numbers being reported in aids patients and patients with other immunosuppressive diseases. Symptoms include abdominal pain, diarrhoea, constipation, vomiting, and fatigue. (12 Dec 1998) |
| bordetella infections | Infections with bacteria of the genus bordetella. (12 Dec 1998) |
| borrelia infections | Infections with bacteria of the genus borrelia. (12 Dec 1998) |
| bowel infections | An infection, viral or bacterial, of the intestines. (27 Sep 1997) |
| bunyaviridae infections | Virus diseases caused by the bunyaviridae. (12 Dec 1998) |