At least the Japanese are taking the Zed threat seriously, and training their populace. Even young children are given the basics of this most important survival skill. Essentials include improvisation.
When they are older, and if they get their hands on a samurai sword, they may be very effective. Swords don't jam like a rifle might. Just avoid breaking it.
A Bit of Humor - He ended strong, too.
45 minutes ago