estaban contagiando
-they/you were transmitting
Imperfecto progresivo para el sujeto ellos/ellas/ustedes del verbo contagiar.

contagiar

Esta institución tenía filiales en varios países y las personas se estaban contagiando, como si un sentimiento sublime estuviese brotando y creciendo progresivamente.
That institution had branches in several countries and the people were being touched. It was as if sublime feeling was sprouting and growing progressively.
Palabra del día
encontrarse