This is the 353rd most frequent Hebrew word.
החיסון
The Hebrew word "החיסון" means "the vaccine" or "the immunization" in English.
In this sentence, "החיסון" (the vaccine) is used as a subject noun referring to an immunization against a specific illness.
החיסון נגד שפעת מועיל במניעת מחלות.
The vaccine against the flu is effective in preventing illnesses.
Here, "החיסון" (the vaccine) is also a noun specifying the object of the discussed action, emphasizing its benefit.
הרופא המליץ להתחסן כי החיסון חשוב במיוחד לחולים מבוגרים.
The doctor recommended getting vaccinated as the vaccine is particularly important for elderly patients.
In this context, "החיסון" (the vaccine) remains a noun and is part of a descriptive clause about its reception.