Epidemiologist (Epidemiólogo)

a person who studies the control of disesases
Clenched (apretada)

pressed tightly together
Epidemic (Epidemia)

a disease that a lot of people in the community get during a particular time
Structure

something made by a number of parts
Poring Over (Derramando Sobre)

to study something carefully
tone (tono)

an author or character's attitude towards a subject or person (do they have a positive or negative view of something?)
Ingested (Ingerido)

to take into the body by swallowing or absorbing it
Inconsistencies (Inconsistencias)

not staying the same throughout
Devastating (Devastadoro)

highly damaging
Unorthodox (heterodoxo)

not usual or traditional (A black wedding dress is unorthodox.)
Gullible (Credulo)

easily persuaded to believe something
Teeming (Rebosante)

to be full of or swarming with