But roughly speaking it's divided into six steps, requiring seven days: Virus inoculation and culture; virus harvest; sedimentation, filtering and purification of the virus liquid; cracking the virus shells with ether; deactivating the viruses; blending and packaging.
不過據瞭解，從「蛋」到「疫苗」需要經過 6 道步驟、共需 7 天：（1）病毒接種與培養；（2）病毒採收；（3）過濾、純化病毒液；