What is misles?

As an AI language model, I presume you intended to mention 'measles' instead of 'misles' in your question. Here's some information about measles:

Measles is a highly contagious viral illness that affects mainly children and adults who have not been vaccinated. The virus spreads through the respiratory system and causes high fever, rash, and flu-like symptoms.

Measles can lead to serious complications, especially in young children, such as pneumonia, encephalitis (swelling of the brain), and even death. The World Health Organization (WHO) estimates that in 2019, there were approximately 207,500 measles-related deaths worldwide.

The measles vaccine is a safe and effective way to prevent measles and is recommended for all individuals aged 6 months and older who do not have contraindications. Two doses of the vaccine provide lifelong immunity and are recommended by health experts.

Measles outbreaks still occur in countries with lower vaccination coverage, as well as when international travelers bring the virus to countries where immunity levels are low. Therefore, it is important to maintain high vaccination coverage to prevent the spread of measles.