What is the prevalence of West Nile Virus?
How many people does West Nile Virus affect? Does it have the same prevalence in men and women? And in the different countries?
The prevalence of West Nile Virus varies from year to year and by geographic location. It is primarily found in regions with warm climates, such as Africa, the Middle East, and parts of Asia. In the United States, the virus is most commonly reported during the summer and early fall months. While most people infected with West Nile Virus do not experience any symptoms, about 1 in 5 individuals may develop fever, headache, body aches, joint pains, vomiting, diarrhea, or rash. In rare cases, severe symptoms such as encephalitis or meningitis can occur, which can be life-threatening.
The prevalence of West Nile Virus varies depending on the geographical location and climate conditions. West Nile Virus is primarily transmitted through infected mosquitoes to humans, birds, and other animals. It was first identified in Uganda in 1937 and has since spread to many parts of the world, including North America, Europe, the Middle East, and Africa.
In the United States, the Centers for Disease Control and Prevention (CDC) reports that West Nile Virus is endemic in all 48 contiguous states. The number of reported cases fluctuates from year to year, with peak activity occurring during the summer and early fall.
Globally, the World Health Organization (WHO) estimates that there are tens of thousands of cases of West Nile Virus infection each year. However, many cases go unreported or undiagnosed, making it challenging to determine the exact prevalence.
It is important to note that not everyone infected with West Nile Virus develops symptoms. Most people who become infected experience mild symptoms such as fever, headache, body aches, and fatigue. However, in rare cases, severe neurological complications can occur, leading to long-term health issues or even death.
Prevention measures such as using mosquito repellents, wearing protective clothing, and eliminating mosquito breeding sites are crucial in reducing the risk of West Nile Virus transmission.
Posted Jun 29, 2017 by Wendy 2150
Posted Jul 28, 2017 by Tricia 2050
