Could measles leave children vulnerable long after they recover?

Measles may erase immune system memory built from past illnesses, leaving children vulnerable to other infections long after recovery. This phenomenon differs from the effects of the MMR vaccine, which does not eliminate this critical immune memory. Consequently, children who recover from the natural measles virus may face prolonged susceptibility to various other infections, whereas those protected by the MMR vaccine avoid this specific risk of immune system memory loss and subsequent vulnerability to diseases.