World

US reports first two deaths linked to 'explosive diarrhoea' outbreak

BBC World · 2026-08-03

AI SUMMARY

• What happened: Michigan health officials confirmed the first two deaths linked to a cyclospora outbreak, which has affected 45 states and resulted in nearly 7,000 confirmed cases. • Why it matters: Cyclospora is a parasitic infection that can cause severe diarrhoea, and while fatalities are uncommon, the outbreak has raised significant public health concerns, particularly for individuals with underlying health conditions. • What to watch next: Health authorities are investigating the source of the outbreak, tentatively linked to lettuce from Taylor Farms in Mexico, and are advising the public on food safety practices to prevent further infections.

**Title: US Reports First Two Deaths Linked to Cyclospora Outbreak**

Health officials in Michigan have confirmed the first two deaths associated with a significant outbreak of cyclospora, a parasitic infection that can lead to severe diarrhoea. The Michigan Department of Health and Human Services reported that both individuals who died had "significant underlying health conditions that may have been impacted by cyclosporiasis and dehydration."

The outbreak has affected 45 states across the country, with nearly 7,000 laboratory-confirmed cases reported to the Centers for Disease Control and Prevention (CDC). While the number of infections is substantial, the CDC notes that fatalities from cyclosporiasis are uncommon, as the illness is generally not considered life-threatening.

Michigan has emerged as the epicentre of this outbreak, with state records indicating over 11,000 reported cases and 193 hospitalizations, although many of these cases have not been confirmed through laboratory testing. The cyclospora parasite primarily infects the intestines and is transmitted through the consumption of food or water contaminated with faecal matter. Past outbreaks have typically been linked to fruits or vegetables that were irrigated with contaminated water.

To mitigate the risk of infection, the CDC advises consumers to wash all produce under running water, even those labeled as pre-washed. However, the agency cautions that washing alone may not eliminate the parasite effectively. Cooking produce to a minimum temperature of 70°C (158°F) is recommended to kill the parasite.

This year's outbreak has been tentatively linked to lettuce imported from Taylor Farms in Mexico, a major supplier for various food establishments in the United States. In response to the outbreak, the fast-food chain Taco Bell announced that it has removed lettuce sourced from Taylor Farms from its menu. Additionally, Taylor Farms has initiated a voluntary recall of certain lettuce products originating from central Mexico.

The cyclospora outbreak has also raised concerns internationally, with health officials in the United Kingdom issuing warnings following reports of cases among returning travellers.

As health authorities continue to monitor the situation, they emphasize the importance of public awareness regarding food safety practices to prevent further infections. The CDC and state health departments are working to identify the source of the outbreak and provide guidance to the public on how to reduce the risk of contracting cyclosporiasis.

The situation remains fluid, and health officials are urging individuals to remain vigilant, especially those with underlying health conditions that may increase their risk of severe illness from foodborne infections.

Source: BBC World
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