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December 26, 2024
Measles is a highly contagious viral disease caused by the measles virus, a member of the Paramyxoviridae family. It primarily affects children but also occurs in individuals of any age. According to the World Health Organization (WHO), there were approximately 9 million cases of measles worldwide in 2019, resulting in nearly 207,500 deaths. The disease poses significant health risks, including severe complications such as pneumonia, encephalitis and blindness. The resurgence of measles in various regions, particularly in areas with low vaccination coverage, underscores the importance of awareness and prevention.
Measles is transmitted through respiratory droplets when an infected person coughs or sneezes. Symptoms typically appear 10 to 14 days after exposure and include high fever, cough, runny nose and red eyes. A distinctive rash usually develops 3 to 5 days after the onset of symptoms, starting at the hairline and spreading downward. Other complications can include diarrhea and ear infections, which can further exacerbate health issues, especially in malnourished children.
Biological markers for measles include specific IgM antibodies, which is detected in the blood during the acute phase of the infection. Serological testing and polymerase chain reaction (PCR) are common diagnostic methods used to confirm measles infection. Vaccination is the most effective prevention method, the measles, mumps and rubella (MMR) vaccine is recommended for children, typically administered in two doses. Global vaccination efforts have significantly reduced measles incidence, but maintaining high vaccination coverage is crucial to prevent outbreaks.
Measles remains a significant public health challenge, particularly in areas with low immunization rates. Understanding the disease's transmission, symptoms and prevention strategies is essential for controlling outbreaks and protecting vulnerable populations. Continued efforts in vaccination and public awareness are key to eliminating this preventable disease and ensuring a healthier future for all.