If revealing your piercings during travel is unacceptable, wear nonmetallic jewelry. Quality metal body jewelry is non-ferromagnetic and will not set off the large walk-through metal detectors. ... You can still wear your metal piercing jewelry when you travel, and the TSA will not ask you to remove them.
Active immunity
Active immunity is when something triggers an immunity system to produce antibodies, this something being a vaccine. Hope this helps!
Homicide because you yourself would still be alive
I think it's Maggie and Nick