We often think of vaccinations as something for babies, the little arms that get pricked to build lifelong protection. Parents carefully keep vaccination cards, follow schedules and proudly declare that their child is “fully immunized.” But what happens when these children grow up and their parents grow old? The truth that few realize is this: immunity also ages. Just like our bones, muscles, and memory, our immune system too grows weaker with time.

Vaccination is not a one-time childhood affair. It is a lifelong shield, and that shield needs reinforcement in the later years of life.

Forgotten Immunity

After the age of 60, the body’s defense mechanism, our immune system, begins to slow down. This process, known as immunosenescence , makes it harder to fight infections, even common on

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