Dictionary.net

• An Ephemerovirus infection of cattle caused by bovine ephemeral fever virus (EPHEMERAL FEVER VIRUS, BOVINE). It is characterized by respiratory symptoms, increased oropharyngeal secretions and lacrimation, joint pains, tremor, and stiffness.

2010 - Medical Dictionary Database
By DataStellar Co., Ltd

• A f. of very brief duration, usually completing its course within twenty-four hours.

1916 - Appleton's medical dictionary
By Smith Ely Jelliffe