What started the World War Z virus?

Related questions

1. Will World War Z have free DLC?
2. Why did they cancel World War Z 2?
3. What is Solanum virus?
4. What is the zombie virus called?
5. Will there ever be a Zombieland 2?
6. Can zombies smell?
7. What age is World War Z?
8. Is Zombieland 2 actually happening?
9. What was the budget for World War Z?
10. Is Solanum real virus?

Tags

1. #patient
2. #under
3. #bitten
4. #caused
5. #archeological
6. #gorges
7. #chinese
8. #basin
9. #movie
10. #flood
11. #scavenging
12. #artifacts
13. #river
14. #three
15. #zombie
16. #however
17. #young
18. #start
19. #world
20. #submerged
21. #water
22. #likely
23. #virus