## Security ### AND + OR (`&&` + `||`) Combining `&&` and `||` builds complex logical conditions. You can use `()` to group them. ### Instructions The infamous **virus19** is spreading ! As an airport control agent your role is to ensure that the traveler is safe for his flight. You must define the `traveler.isImmune` property to `true` if either: - both `traveler.alreadyHadTheVirus` and `traveler.recovered` are `true` - or `traveler.isVaccinated` is `true`