This is the 8815th most frequent Korean word.
감염됐다
"Infected."
The word '감염됐다' refers specifically to the state of having contracted an infection.
그는 감염됐다.
He got infected.
In this sentence, '감염됐다' is used to describe the situation of being infected, placed within a message about its occurrence.
바이러스에 감염됐다는 소식을 들었다.
I heard the news that someone was infected by the virus.
Here, '감염될' is a form of the word that means 'to be infectable or infected,' discussing the transmissibility aspect.