The Sanskrit word vaśā वशा is the origin of English word vaccine.
The Sanskrit word vaśā वशा means a cow. This word is is especially used for a barren cow. The Sanskrit word vaśā became vacci-/ vaccini-/vaccino- and the English word vaccine, vaccination etc . Vacci denotes ‘a cow’ or ‘cows’ and it comes from Middle Latin vacca meaning a cow. The other words formed are: VACCINATE. Vaccicide ( the killing of a cow (or of cows), vaccigenous ( vaccine-producing); vaccinifer ( a person—or an animal—that constitutes a source of vaccine). As mentioned above, the origin of the word 'vaccine' is the Sanskrit word vaśā meaning a cow. Therefore, it is not surprising that the the 'calf serum' is being used for making the vaccines for the past many decades since the modern science started manufacturing the vaccines. This facts finds support in the following news report published in a reputed magazine 'Business Today'. This report was highlighted by many other publications during the covid period. To investigate further,