| OMS | Organisation Mondiale de la Sant'. The World health organisation (who). (12 Dec 1998) |
|---|---|
| Omsk haemorrhagic fever | A form of epidemic haemorrhagic fever found in central Russia, caused by the Omsk haemorrhagic fever virus, a member of the family Flaviviridae, and transmitted by Dermacentor ticks; associated with gastrointestinal symptoms and haemorrhages but little or no central nervous system involvement. (05 Mar 2000) |
| Omsk haemorrhagic fever virus | A virus of the genus Flavivirus causing Omsk haemorrhagic fever. (05 Mar 2000) |