In order to create a vaccine for the A.E. Virus, Annex 1 heads to Mars. Akari and the other crew members try to enjoy their time on the ship before they land on Mars for the life-threatening mission.
In those cases, the virus can end 
up destroying the human cells
In diesem Fall
En dichos casos, dado que los virus 
desconocen las células humanas,
En dichos casos, dado que los virus 
desconocen las células humanas,
Dans ces cas-là,
Nesses casos, os vírus podem 
acabar destruindo as células humanas