The Eagle Kingdom used ancient prions collected in the Antarctic to develop biochemical weapons and tried to use biochemical weapons to rewrite the world structure. However, due to accidents, the virus was leaked, causing a global infection, and due to special events in the universe, the infection escalated and the virus was rewritten to a certain extent. As an ordinary person, the protagonist just wants to survive with his family and fight against the new infected people created by the Eagle Kingdom.
A pretty good book