West Nile Virus: The Leading Insect-Borne Viral Disease in the US, According to CDC Study
West Nile virus remains the leading cause of viral disease spread by insects in the continental United States, according to a report by the CDC. In 2021, there were over 3,000 cases of arboviral disease reported, with West Nile virus accounting for the majority. The highest incidence rate of neuroinvasive West Nile virus disease was seen in Arizona. Mosquitoes play a crucial role in the spread of West Nile virus, which can cause severe illness and even death. The report also highlighted the La Crosse virus as the most common cause of neuroinvasive arboviral disease in children. Public health experts are warning of increased West Nile virus activity due to favorable weather conditions, and advise taking precautions such as using insect repellent and wearing protective clothing.