Introduction of the corona virus vaccine has begun in Kumamoto, with Kumanichi describing it as 混乱する中 - “confusion amidst” - who can get it where, when, and how many times seems unclear. As an aged society, many in Japan are susceptible to the virus; it is hoped that they can quickly and easily get the vaccination. But as an etymologist, I’d like to point out that the first vaccines were used on cows for hoof-and-mouth disease (not clear what that is, but it appears to refer to cows who say something really stupid); etymonline notes “(vaccine is) from Latin vaccina, fem. of vaccinus “pertaining to a cow” - which is a bit redundant, as cows are always female (males are bulls or, if unlucky and shod of their testicles, steers).－William