News Related to Listeriosis

Clover Hill Dairy Recalls Listeria-Linked Soft Cheese as Studies Highlight High Risk to Pregnant Women

Jun 06, 2026

Clover Hill Dairy recalled requesón/soft ricotta cheese on June 3, 2026, over potential Listeria contamination, with products sold in New York and Virginia. Listeria causes approximately 1,250 U.S. cases annually with an 86% hospitalization rate, and poses severe risks to pregnant women including pregnancy loss and stillbirth. Health officials advise pregnant individuals to avoid raw milk products, soft cheeses, deli meats, and hot dogs.

Oral Listeria Vaccine Enhances Immunotherapy Response in Colorectal Cancer

Feb 24, 2026

Researchers at Stony Brook University developed an oral vaccine using modified Listeria monocytogenes that generates anti-tumor immune responses in the gut and significantly improves colorectal cancer control when combined with checkpoint inhibitors.

Engineered Listeria Bacteria Shows Promise as Cancer Immunotherapy

Feb 13, 2026

Researchers have developed attenuated Listeria bacteria therapies that boost innate immune cells to fight cancer. Two approaches target colorectal cancer and pediatric leukemia, with FDA clearance expected soon for trials in children.