An outbreak of likely Clostridium perfringens was investigated by the Colorado Department of Public Health and Environment and the Jefferson County Public Health starting on August 22, 2023. That day, a school nurse at Evergreen County Day School reported 40 or so illnesses following a school event on August 21, 2023. The outbreak was given the state ID “2023-30-129.”
Source Unknown
• Total Cases: 147
• Shigella Species Type:
– 101 (68.7%) sonnei
– 5 (3.4%) flexneri
– 41 (27.9%) species not yet available.
• Severity of Disease:
– 67 (45.6%) of the cases have been hospitalized due to shigella.
– 1 (0.7%) death has been attributed to shigella.
| Date Posted |
Ref | Pathogen or Cause of Illness |
Product(s) Linked to Illnesses (if any) |
Total Case Count |
Status |
| 12/6/
2023 |
1205 | Listeria monocytogenes |
Not Yet Identified |
3 | Active |
| 11/22/
2023 |
1201 | Salmonella Newport |
Not Yet Identified |
45 | Active |
| 11/22/
2023 |
1203 | Salmonella Sundsvall and Oranienburg |
Cantaloupe | See Advisory | Active |
| 11/15/
2023 |
989 | Listeria monocytogenes |
Peaches, Plums, and Nectarines |
See Advisory | Active |
| 11/8/
2023 |
1198 | Elevated Lead Levels |
Apple Cinnamon Puree |
See Advisory | Active |
The Los Angeles County Department of Public Health is reporting that there are more than 150 suspected local cases of gastrointestinal illness linked to the consumption of raw oysters, likely caused by norovirus. At this time, Public Health is warning consumers not to eat raw oysters from Laguna De Guerrero Negro, Baja California, Mexico; Laguna Manuela, Baja California, Mexico; and Bahia Salina, Sonora, Mexico because they may be linked to outbreaks of norovirus illnesses in California. Before eating raw oysters, consumers should ask the vendor/restaurant where the oysters were harvested.
Chelan-Douglas Health District is one of four Washington health jurisdictions working with Washington State Department of Health and Federal Partners in a multi-state salmonella outbreak investigation linked to charcuterie meats.
Washington currently has four cases included in this outbreak from four counties including Chelan (1), Douglas (1), King (1) and Spokane (1). Note: As of January 12th, 2024, two of the Washington cases have not been added to the CDC outbreak page.
The four Washington cases all report consuming some form of charcuterie meat prior to their illness. However, none of the cases consumed the recalled Busseto Charcuterie Sampler which was linked to the outbreak in other states. Washington State Department of Health officials are investigating additional charcuterie meat products.
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This outbreak investigation is over, but the recalled pet foods have long shelf lives. Check your home for the recalled pet food and don’t feed it to pets.
Fast Facts
Illnesses: 7
Hospitalizations: 1
Deaths: 0
States: 7
Recall: Yes
Investigation status: Closed (first posted on November 9, 2023)
Mid America Pet Food
Victor brand Hi-Pro Plus dog food
Victor brand Super Premium Dog Food, Select Beef Meal & Brown Rice Formula
The Baguio City government has recorded 3,087 self-reported cases of acute gastroenteritis, a local health official said Sunday.
In a news conference, Baguio City Health Services Office (CHSO) head Celia Flor Brillantes said of the over 3,000 cases, 691 or around 22% sought hospital consultations.
“[On] Jan. 9, we were getting a significant decline of our cases. Today, we only had three reporting cases in our system. [The] majority are females and belong to the age group of 21 to 30 young adults,” Brillantes said.
She said stool samples from 10 patients admitted for acute gastroenteritis were positive for norovirus and sapovirus, which experts said were the common causes of the disease.
Unless we are able to identify the causes, circumstances, only then can we confidently say that it is over. But looking at the current trend of the epidemiological curve, we’re getting there.
With the Celebrity Cruise from Tampa ending on Friday, details have emerged regarding the norovirus outbreak which has left over 90 people ill.
The Centers for Disease Control and Prevention noted that among the 2,056 passengers, 92 reported illnesses with vomiting and diarrhea. Another eight crew members are also listed as “reported being ill during the voyage.”
The study assessed the role of equids at slaughter as faecal carriers of Salmonella enterica and the occurrence of contaminated equid carcasses during the slaughter process in Northern Italy (Emilia-Romagna Region). From June to November 2021, 152 equids (146 horses, 5 donkeys and 1 mule) were tested for Salmonella both in caecal contents and through carcass swabs. Antimicrobial resistance (AMR) of recovered strains was tested against 15 antimicrobials. Salmonella was detected in 3/152 of the caecal contents (2.0 %), while all carcass samples were negative. S. enterica serovars Enteriditis, Typhimurium and Stanleyville were identified. The only AMR isolate was S. Typhimurium with AMR profile AmCStxT.
Considering the consumption of raw horse meat (i.e., minced raw meat named “pesto di cavallo” and dried and smoked strips named “sfilacci di cavallo”) in different areas of Northern Italy, we also investigated the possible link between horse meat eating and salmonellosis cases in the human population in the same area. Specifically, we compared the Salmonella strains collected during the study with those routinely processed in the laboratory surveillance system for human salmonellosis in Emilia-Romagna (a region with about 4.5 million inhabitants). The comparison was based on whole genome sequencing data through core genome multi-locus sequence typing (cgMLST) used in routine surveillance. A genomic match in cgMLST was found between the strain of S. enterica serovar Enteritidis isolated from a horse caecal content and an enduring outbreak of 17 human cases in Emilia-Romagna during the study period. The consequent epidemiological investigation highlighted that a number of cases with known food history reported the consumption of horse meat and traced different batches of the consumed meat, released weeks apart from each other, to the slaughter investigated in the study. The results of the epidemiological investigation suggested the role of horses in the S. enterica serovar Enteritidis outbreak affecting raw horse meat consumers.
This study shows that, despite the low prevalence on equid carcasses, S. enterica in horse meat can represent a risk to consumers. From the perspective of the slaughter activities, this highlights the need to maintain a high level of hygiene during the entire process, starting from the hygiene at lairage up to the slaughtering phase and dressing of carcasses.
Multinational food-borne outbreak investigations require cross-sectoral collaboration not only at the local, regional and national level, but also across countries. This typically involves a number of organisations such as health authorities, regulatory food and veterinary authorities, central and regional laboratories as well as clinicians. Successful outbreak investigation is built on a coordinated approach at all regulatory and administrative levels. This paper presents an example of how a coordinated effort with cross-national collaboration was beneficial in solving a multinational outbreak of Salmonella Braenderup in Europe in the spring of 2021.
S. Braenderup is a serovar of Salmonella enterica subsp. enterica, which causes symptoms of gastrointestinal illness including abdominal cramps, diarrhoea, nausea and fever [1]. S. Braendrup ranked 19th among Salmonella serovars reported to the European Surveillance System (TESSy) between 2015 and 2019 and around 300 cases of S. Braenderup in the EU/EEA are reported each year.
FoodWorld 