The New Era After the Epidemic

Long, long in the future, a global biochemical war releases the “Mutation Virus.” A vaccine developed by the government is only 50% effective, and the global population is cut in half. Some of the survivors gain superpowers. Social order collapses, cities are abandoned, and survivors gather in defensible buildings that are difficult to attack, forming “sects.” They need regular “vaccinations” to control the virus's activity in their bodies and increase their abilities.