If a passenger on the flight is infected, this measure allows authorities to find the people sitting next to them to test or quarantine them.
Hii ni kwa sababu, ikiwa mtu mwingine kwenye ndege hiyo atapatikana kuwa ameambukizwa, mamlaka inaweza kuwafuatilia watu waliokuwa wameketi karibu naye ili kupimwa na kukarantini.