IPA: //vækˈsɪnə//
KK: /vækˈsɪnə/
A virus that is used in vaccines, particularly for smallpox, and is related to the cowpox virus.
The vaccina virus is crucial for the development of smallpox vaccines.
Vaccina → It originates from Latin 'vaccinus' (meaning of or from a cow), derived from 'vacca' (meaning cow). The term refers to the substance derived from cowpox used in vaccination.
Think of the Latin word for cow, 'vacca', to remember that 'vaccina' relates to a substance derived from cows used in vaccination.