Lethality means how lethal (deadly) something is.
I'm thinking it means death is coming soon. It doesn't say to whom.
As the armed fighting increased, the local people feared the escalating lethality of the situation.
The quality of being lethal; mortality.
For the People - 2002 The Reality of Lethality 1-13 was released on: USA: 17 November 2002
Operational agility Endurance Lethality
Lethality.
Lethality
Embryonic lethality due to arrested growth.
His rainbow wig could strangle monsters and evil mortals
Soldier lethality is imminent.
with 100 kg Anthrax, you could kill up to 2 million people.