It lasted three years, but the outbreak is over. Most of the infected have been isolated or destroyed. The vaccine was created on day 900, and now life is getting back to normal. Cities are repopulating, and there is a long-awaited sense of calm throughout the country.
The PH-virus was relatively short lived thanks to Samuel Grace, genius scientist and the creator of the PH vaccine. His vaccine can prevent the spread of the virus, but cannot reverse it. Fortunately, Sam's vaccine stopped the PH-virus before it decimated the world population, but the vaccine did not come without a cost. For three years Sam experimented on patient after patient, subject after subject. Tuning the vaccine carried a cost of both human and Post-Human life. One such test subject was Zed.
Zed was a good friend to Sam. They grew up together and remained friends even though they grew apart when Sam pursued science and Zed lived the simple life of a carefree ice deliveryman.
When the outbreak hit, society went into a frenzy of destruction. By year two, there was little need for deliverymen, and Zed wanted to help in any way he could. He offered to help Sam with his search for a cure. Although he successfully created a vaccination, Sam had other motives behind his research...