...It's unusual. It's more common from stings, due to bees, wasps, hornets, and some species of ants, because they inject a venom that some people are very allergic to.
Susceptible individuals carry an "epi-pen" - an injectible cartridge of epinephrine
, which counteracts the anaphylactic reaction. And they never forget to apply insect repellent when they go outside.