noun, masculine/konˈtaxjo/plural: contagios
contagio is masculine in Spanish.
infection, contagion (the spread or transmission of a disease)
“El pico más alto de contagios ocurrió en mayo, tan solo tres meses después del primer contagio.” — The highest spike in infections occurred in May, just three months after the first infection.
Synonyms: contagión
Related: contagiar
Borrowed from Latin contāgium. First attested in 1490.