Update- August 28, 2008- CDC: Salmonella outbreak appears to be over
Politisite Reported on July 18th that the FDA/CDC had released Tomatoes as its culprit for Salmonella . We futher reported 2 weeks ago that Jalapeno Peppers were being looked at the possible salmonella carriers. Today the CDC has found Salmonella is the Jalapeno peppers processed in Texas.
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CDC: Salmonella outbreak appears to be over
The Centers for Disease Control and Prevention said Thursday that the salmonella outbreak that sickened about1,400 people across the country appears to be over.
“The number of reported cases has been dropping since early July,” and the number has appeared to return to around the typical number of salmonella cases expected during this time of year, said Dr. Robert Tauxe, the deputy director of the CDC Division of Foodborne, Bacterial and Mycotic Diseases.
“There are some cases of this infection that occur every year,” he said.
Initial results from a CDC and Food and Drug Administration investigation found that jalapeño peppers appeared to be a major carrier of the bacteria, as were serrano peppers, Tauxe said. Tomatoes — identified early in the outbreak as the culprit — were still possibly a source, he said.
The FDA said the contaminated jalapeño and serrano peppers, grown in Mexico, were no longer in circulation and said Thursday that it was lifting its advice to avoid eating raw jalapeño and serrano peppers grown, harvested or packed in Mexico.
The agency had lifted its advice to consumers last month to avoid several types of tomatoes.
Source: cnn.com via politisite
So the latest in the salmonella outbreak last week was the Food and Drug Administration lifting their warning about certain types of tomatoes.
All we know at this point is tomatoes on the market are safe because there is no way they could be coming from farms that were shipping tomatoes back in April when people first started getting sick.
FDA and the Centers for Disease Control are not saying tomatoes weren’t responsible for the outbreak, only that the ones on the market now are safe. They are “seriously considering” the possibility that jalapeno peppers as well as tomatoes may have spread the bacteria.
Tomatoes remain a suspect based on the strength of the evidence initially gathered in New Mexico, the state that first realized it had an outbreak on its hands.
New Mexico’s health department is considered among the better ones in the country when it comes to tracking foodborne illness. Yet, some foodborne illness experts are skeptical about the FDA/CDC’s multi-produce vehicle theory. It is possible, but not probable, they say. Tomato growers, of course, never believed their product was the cause.
Source: blog.washingtonpost.com via politisite
Here is the latest Press Release from the Centers for Disease Control
July 21, 2008: Investigation of Outbreak of Infections Caused by Salmonella Saintpaul | Salmonella CDC. CDC is collaborating with public health officials in many states, the Indian Health Service, and the U.S. Food and Drug Administration (FDA) to investigate an ongoing multi-state outbreak of human Salmonella serotype Saintpaul infections. An initial epidemiologic investigation in New Mexico and Texas comparing foods eaten by persons who were ill in May to foods eaten by well persons identified consumption of raw tomatoes as strongly linked to illness. A similar but much larger, nationwide study comparing persons who were ill in June to well persons found that ill persons were more likely to have recently consumed raw tomatoes, fresh jalapeño peppers, and fresh cilantro. These items were commonly, though not always, consumed together, so that study could not determine which item(s) caused the illnesses.
Recently, many clusters of illnesses have been identified in several states among persons who ate at restaurants. Most clusters involve fewer than 5 ill persons. Three larger clusters have been intensively investigated. In one, illnesses were linked to consumption of an item containing fresh tomatoes and fresh jalapeño peppers. In the other two, illnesses were linked to an item containing fresh jalapeño peppers and no other of the suspect items. Other clusters are under active investigation. The accumulated data from all investigations indicate that jalapeño peppers are likely to be a major cause of this outbreak. Fresh serrano peppers and fresh tomatoes remain under investigation. Investigators from many agencies are collaborating to track the source of the implicated peppers and other produce items.
An FDA laboratory detected Salmonella Saintpaul with the outbreak strain fingerprint pattern in a sample of jalapeño pepper obtained from a distribution center in McAllen, Texas. The distributor is working with FDA to recall the contaminated product in the United States. The peppers were grown in Mexico; investigators are working to determine where they were contaminated.
Since April, 1251 persons infected with Salmonella Saintpaul with the same genetic fingerprint have been identified in 43 states, the District of Columbia, and Canada. These were identified because clinical laboratories in all states send Salmonella strains from ill persons to their State public health laboratory for characterization. The number of ill persons identified in each state is as follows: Alabama (2 persons), Arkansas (19), Arizona (54), California (9), Colorado (16), Connecticut (5), Florida (3), Georgia (35), Idaho (6), Illinois (115), Indiana (18), Iowa (2), Kansas (19), Kentucky (2), Louisiana (1), Maine (1), Maryland (36), Massachusetts (28), Michigan (25), Minnesota (22), Mississippi (2), Missouri (20), Montana (1), New Hampshire (5), Nevada (12), New Jersey (12), New Mexico (102), New York (38), North Carolina (23), Ohio (10), Oklahoma (25), Oregon (10), Pennsylvania (12), Rhode Island (3), South Carolina (2), Tennessee (9), Texas (475), Utah (2), Virginia (31), Vermont (2), Washington (17), West Virginia (1), Wisconsin (13), and the District of Columbia (1). Five ill persons are reported from Canada; four appear to have been infected while traveling in the United States, and one illness remains under investigation.
Among the 1197 persons with information available, illnesses began between April 10 and July 4, 2008, including 19 who became ill on July 1 or later. These numbers include those with estimated onset dates as well as those with reported onset dates. Patients range in age from <1 to 99 years; 50% are female. The rate of illness is highest among persons 20 to 29 years old; the rate of illness is lowest in children 5 to 19 years old and in persons 80 or more years old. At least 229 persons were hospitalized. A man in his eighties who died in Texas from cardiopulmonary failure had an infection with the outbreak strain at the time of his death; the infection may have contributed to his death. A man in his sixties who died in Texas from cancer had an infection with the outbreak strain of at the time of his death; the infection may have contributed to his death.
The outbreak can be visually described with a chart showing the number of persons who became ill each day. This chart is called an epidemic curve or epi curve. Please see Interpretation of Epidemic Curves During an Active Outbreak. It shows that the number of persons who became ill peaked during May and decreased in June. The average number of persons who became ill between May 20 and June 10 was 33 per day. The average number of persons who became ill between June 11 and June 20 was 19 per day. The outbreak appears to be ongoing, but with fewer new illnesses each day. Illnesses that occurred recently may not yet be reported due to the time it takes between when a person becomes ill and when the illness is reported. This takes an average of 2-3 weeks. Please see the Salmonella Outbreak Investigations: Timeline for Reporting Cases for more details regarding the 2-3 week time period.
Only 6 persons infected with this strain of Salmonella Saintpaul were identified in the country during April through June of 2007. The previous rarity of this strain and the distribution of illnesses in all U.S. regions suggest that the implicated food is distributed throughout much of the country. Because many persons with Salmonella illness do not have a stool specimen tested, it is likely that many more illnesses have occurred than those reported. Some of these unreported illnesses may be in states that are not on today’s map.
Health officials have worked continuously since late May to investigate this outbreak. CDC has sent 29 people to the field to work with other public health officials. The investigation is complex and difficult. One difficult aspect is that people often have difficulty remembering exactly what foods they ate, and remembering specific ingredients in those foods is even more difficult. Although laboratory testing of foods might help identify the source, perishable foods that were consumed by ill persons are often not available to test. When food items are mixed together and consumed in the same dish, all the items may be statistically linked to illness. In that case, determining by statistical means which item caused the illness can be difficult or impossible. Tracing suspect produce items back to processors and growers is an integral part of the effort to identify a single source and a possible means of contamination.
Clinical features of Salmonella Infection
Most persons infected with Salmonella develop diarrhea, fever, and abdominal cramps 12-72 hours after infection. Infection is usually diagnosed by culture of a stool sample. The illness usually lasts 4-7 days. Although most people recover without treatment, severe infections may occur. Infants, elderly persons, and those with impaired immune systems are more likely than others to develop severe illness. When severe infection occurs, Salmonella may spread from the intestines to the bloodstream and then to other body sites, and can cause death. In these severe cases, antibiotic treatment may be necessary.
The contaminated peppers may still be in grocery stores, homes, and restaurants. Until more is known about the likely location of contamination, FDA is advising all persons to avoid consuming raw jalapeño peppers and dishes containing those raw peppers. Consumers should be aware that raw jalapeño peppers are often used in the preparation of fresh salsa, pico de gallo, guacamole, and other dishes. Cooked or pickled peppers from jars and cans are not part of this warning.
Persons with increased risk of severe infection, including infants, elderly persons, and those with impaired immune systems, should also not consume raw serrano peppers. Other persons who want to reduce their risk of Salmonella infection can take similar precautions.
FDA has indicated that tomatoes on the market today are safe to consume.
Consumers everywhere are advised to follow the general food safety guidelines below:
- Refrigerate within 2 hours or discard cut, peeled, or cooked produce items
- Avoid purchasing bruised or damaged produce items, and discard any that appear spoiled.
- Thoroughly wash all produce items under running water.
- Keep produce items that will be consumed raw separate from raw meats, raw seafood, and raw produce items.
- Wash cutting boards, dishes, utensils, and counter tops with hot water and soap when switching between types of food products.
Consumers are reminded that vegetables are an important part of a healthy diet and that cooking vegetables kills bacteria, including Salmonella.
FDA information on this investigation can be found at: http://www.fda.gov/…com/hottopics/tomatoes.html*
More information about Salmonella and this investigation can be found at:
- Salmonella FAQ
- Timeline for Reporting of Cases
- New Mexico Department of Health (PDF – 191 KB)
- Arizona Department of Health Services News Release – Tomatoes: Caution Urged*
- Texas Department of State Health Services – News Update, June 13, 2008*
- Kansas Identifies 3 Cases Linked to Multi-State Salmonella Outbreak*
- Kentucky Cabinet for Health and Family Services Press Release
- Indiana State Department of Health Media Update on Salmonella Outbreak*
- Maryland Department of Health and Mental Hygiene News Release
- Missouri DHHS: State health department issues cautions about tomatoes*
- New Jersey Department of Health and Human Services: NJ Reports Four Salmonella Cases Linked to Multi-State Outbreak
- Public Health Agency of Canada: Update of Salmonella SaintPaul Situation in Canada*
- Utah Department of Health: Health News
Information on the safe handling of produce can be found at: www.cfsan.fda.gov/~dms/prodsafe.html.*
Source: cdc.gov via politisite
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