![](https://i.mydramalist.com/vN26Zt.jpg)
![](https://i.mydramalist.com/B77yzt.jpg)
Both have medical themes, both feature an earthquake. While in DOTS, the earthquake is just a story arc, in D-Day it's the main plot point.
![](https://i.mydramalist.com/QlbkA_4t.jpg)
![](https://i.mydramalist.com/xklBrt.jpg)
Both are zombie movies, both have two leads fighting to stay alive together, both are emotionally moving. Both are set in a closed environment, Alive is set in an apartment building while Train to Busan in a train.