Introduction Measles is a highly contagious viral infection caused by the measles virus (a member of the Paramyxoviridae family). While most cases resolve within a couple of weeks, measles is far from harmless. The virus can weaken the immune system for several weeks or even months, leaving the body vulnerable to other infections. In some cases, measles leads to serious and potentially fatal complications. Three of the most severe are pneumonia, encephalitis, and subacute sclerosing panencephalitis (SSPE).Understanding these complications is crucial for recognizing the importance of vaccination and early medical care. Pneumonia: The Leading Cause of Measles-Related Deaths Pneumonia is…