you know... random poisonous birds in the sky, near a city, near a bridge which is passed heavily, unguarded or no pest(swarming birds like these are pests) control
nothing new.
What? you don't have poisonous ravens near your area??
The hero being a girl... lol
Also, I do not understand the physics of bandage wrapping oppai, wouldn't that 1.) hurt the woman 2.) Not fully flatten their chest in clothing?
So what I assumed happened was after getting rescued, she had to talk to the ones decontaminating her about her wounds, and why there is an injection sized hole on her arm.
Then after explaining that, she'll explain that she's a college student with knowledge with scientific bacteriology or...