Topic overview
In brief
- Los Angeles has seen a dramatic increase in flea-borne typhus cases, with 220 reported in 2025.
- Public health officials have identified the need for better sanitation and waste management to control the rat population.
- The ongoing crisis highlights the challenges of managing urban health risks in a city facing multiple public health issues.
Summary
In the United States, Los Angeles has been grappling with a significant public health crisis related to flea-borne typhus, a disease carried by rats and their fleas. The situation escalated dramatically in 2018 when the county recorded 109 cases, marking a record high at that time. This alarming trend continued, with local officials recognizing the need for improved sanitation measures, including more garbage cans and cleaner streets, to control the rat population. However, despite these efforts, the number of typhus cases surged in subsequent years, reaching 171 cases in 2022 and peaking at 220 cases in 2025. The increase in cases has raised concerns among public health officials, as approximately 90% of those infected required hospitalization. The ongoing rat problem in the city has been exacerbated by inadequate waste management and homelessness issues, leading to a public health crisis that officials struggle to contain. The situation has drawn attention to the need for effective regulation and management of urban sanitation to mitigate the risks associated with disease transmission. As the city continues to battle this medieval disease, the focus remains on finding solutions to improve public health and safety in Los Angeles.