The Trump Administration, in 2 years time having removed all pandemic safeguards and run down anti germ warfare resources to nil, in its belief that if a disease kills you you are weak and if you survive you are strong, sweeps across the United States and is so virulent it has a 100% kill rate. America is totally depopulated by the viral agent. The rest of the world suffers the same fate. Only the Omega Man has the resourcefulness to pull out of the sickness caused by the contagion.