On August 6, 2026, Michigan health officials said residents could go back to eating bagged salad mixes. The warning to avoid them during a Cyclospora outbreak was no longer needed. The Michigan Department of Health and Human Services (MDHHS) said most contaminated produce was likely gone from stores and that new cases were slowing down (MDHHS, August 6, 2026).

Cyclospora is a tiny parasite that can live on food. If you eat it, you can get an intestinal illness called cyclosporiasis. Symptoms include stomach cramps, diarrhea, and nausea. The parasite spreads when contaminated food or water is consumed.

The outbreak was large. As of July 13, 2026, Michigan reported 2,640 cases under investigation (MDHHS, July 13, 2026). The state updated case counts every weekday on its infectious disease outbreaks page. As of August 4, MDHHS was still tracking the outbreak (MDHHS outbreak page).

The federal government zeroed in on a likely source. The U.S. Food and Drug Administration (FDA) investigated illnesses across 15 states linked to iceberg lettuce in July 2026. The agency told consumers not to eat recalled iceberg lettuce from a company called Taylor Farms (FDA, August 4, 2026).

Here is how the timeline unfolded. On July 4, 2026, MDHHS gave advice on preventing foodborne illness, including cooking food to 158°F (70°C) to kill the parasite (MDHHS, July 4, 2026). As of July 5, the state had not identified a specific grower, supplier, or produce type as the source (MDHHS cyclosporiasis outbreak page). The FDA's later link to Taylor Farms iceberg lettuce was the first time a specific product was named.

The broader context here is a familiar seasonal pattern. Cyclospora cases in the U.S. tend to peak in June and July and then fade through August. Michigan's decision to lift the salad advisory on August 6 fits that pattern — health officials judged that the risk had mostly passed.

The 158°F cooking temperature is higher than what most food safety guidelines recommend for other germs. Cyclospora parasites are tougher than bacteria like Salmonella, so they need more heat to destroy.

The 2,640 cases in Michigan alone make this one of the bigger Cyclospora outbreaks the state has seen in recent years. The fact that the state was updating case counts every weekday shows how intense the response was during the peak. The FDA's 15-state investigation means the exposure was spread across many states, which points to a commercial food product rather than something local.

There is a gap between what the state and federal agencies found. Michigan reported no identified source as of July 5. The FDA's link to Taylor Farms iceberg lettuce came later in July, with its page published August 4. Whether all of Michigan's cases came from the same Taylor Farms lettuce the FDA identified, or whether other foods were also involved, is not spelled out in the available reports.

This outbreak followed a now-familiar script for Cyclospora: cases rise in early summer, health officials issue a warning, the FDA traces the source, and eventually the contaminated food leaves the supply chain. The financial impact on salad manufacturers and retailers during the warning period, and the damage to Taylor Farms' reputation, are things that would show up later in company earnings reports or any legal proceedings.

For everyday consumers and food service workers, the bottom line is simple: Michigan's bagged salad advisory is lifted, the FDA's recall of Taylor Farms iceberg lettuce is still in place, and basic food safety practices — including cooking to that higher 158°F temperature — remain the best defense.