One of my friends called today with what sounded like a very simple question. “An adolescent boy has rubella. His grandfather, aged 75, stays in the same house and had close contact. Should I give post-exposure prophylaxis with rubella vaccine?” I asked: “Diabetes? Immunosuppressive drugs? Any major illness?” “No. Otherwise healthy.” My answer: - “No need to give.” But the question stayed in my mind.
Because honestly, in day-to-day practice, we rarely think about rubella exposure in a geriatric patient. And that is exactly why this discussion is interesting. We all understand vaccines as preventive protection before exposure. But what happens when exposure has already occurred? That is where the concept of post-exposure prophylaxis comes in. Sometimes exposure itself becomes dangerous because: ✔ The disease has serious complications ✔ There is no definitive treatment ✔ The exposed…
