Malaria

CDC Alert: First Local Malaria Cases in US in 20 Years

In 2023, the United States experienced its first locally acquired mosquito-transmitted malaria cases in two decades, with ten confirmed infections across four states . This resurgence highlights the ongoing risk posed by competent mosquito vectors and increased international travel, especially amid changing climate conditions that favor mosquito breeding . Although malaria was eliminated in the US by the early 1950s, the presence of Anopheles mosquitoes and imported cases sustain the potential for local transmission .