An epidemic of cyclosporose has been sweeping across the United States for several weeks, with health officials confirming that the disease has affected thousands of people. The rapid increase in cases has prompted public health authorities to seek expert insight into the nature of the infection and its potential to spread among individuals.
Professor Nathalie Grandvaux of the University of Montreal was asked to clarify the characteristics of cyclosporose. She explained that the condition is caused by a specific pathogen and outlined the typical clinical presentation observed in patients. While she noted that the infection can be serious, Grandvaux emphasized that current data do not show clear evidence of sustained person‑to‑person transmission.
In addressing the question of contagion, Grandvaux highlighted the importance of ongoing surveillance and laboratory testing to monitor any changes in the pathogen’s behavior. She warned that, although the present situation does not suggest easy spread between people, health officials must remain vigilant and continue to collect epidemiological data to detect any shift toward increased transmissibility.
The outbreak continues to be monitored by federal and state health agencies, which are coordinating response efforts and issuing guidance to medical providers. As the situation evolves, officials are urging the public to seek medical attention if they experience symptoms consistent with cyclosporose and to follow any recommendations issued by local health departments.
The case numbers remain in the thousands, and experts like Grandvaux stress that a clear understanding of transmission dynamics will be essential for shaping effective public‑health interventions moving forward.
(Editors Clarification July 23rd 2026): After reviewing the source interview, GMNA has updated this story to provide additional context regarding the transmission of cyclosporiasis. Current scientific evidence indicates that cyclosporiasis is not normally spread directly from person to person because the parasite must mature in the environment before becoming infectious. Public health officials continue to investigate the foodborne source of the current outbreak.