Answer:
C. Swine Flu
Explanation:
The Big 6 refers to the big 6 pathogens, which are: E coli, Hepatitis A, Nontyphoidal Salmonella, Norovirus, Shigella, Salmonella Typhi. Swine Flu is the only one not included.
honestly I have no idea
I don't know much about foreign influences
shapes, textures, colors