The Last Human - Ch. 131

[MangaDex]

 

[Kaarme]

Perhaps the guinea pig was used as a guinea pig in a laboratory where they integrated human genes into it, to research human diseases using an animal model. It was enough to make the virus actually infect the thing.

 

[DonLUSH]

Perhaps the guinea pig was used as a guinea pig in a laboratory where they integrated human genes into it, to research human diseases using an animal model. It was enough to make the virus actually infect the thing.

Interesting theory tough as boring as it could be it could also just be ignorance, since most people was interested in evolving it could be nobody was willing to test meteor effects on animals extensively when most non infected creatures could become tomorrow food for human or zombies