VACCINE EFFECTIVENESS

As years pass, our immune systems don't stay the same. They weaken, making it harder for older adults to fight off illnesses. Scientists call this "immunosenescence. " While vaccines are essential, they're not as effective for seniors. Researchers are digging into why this happens and how to fix it.

When a health crisis like COVID-19 hits, local health policies play a crucial role in managing the situation. The World Health Organization (WHO) conducted a study on the effectiveness of COVID-19 vaccines in the Eastern Mediterranean Region. This region includes countries like Egypt, Iran, and Paki