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"Contagio" is a form of "contagio", a noun which is often translated as "contagion". "Infección" is a noun which is often translated as "infection". Learn more about the difference between "contagio" and "infección" below.
el contagio(
kohn
-
tah
-
hyoh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
1. (medicine)
la infección(
een
-
fehk
-
syohn
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (medicine)
a. infection
Tengo una infección en la garganta y por eso me duele al tragar.I have a throat infection and so it hurts when I swallow.