Displaying publications 1 - 20 of 91 in total

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  1. Fulltext A new Salmonella type: Salmonella seremban
    Frisby BR, Hollos D
    J R Army Med Corps, 1954 Jan;100(1):55-6.
    PMID: 13131351
    A new Salmonella type is described, for which the name Salmonella seremban is proposed; it has the antigenic formula IX, XIII, XII 2, XIIa; i=l, 3, 5. It was the apparent cause of a number of human cases of food poisoning at Seremban, Malaya.
    Matched MeSH terms: Foodborne Diseases/microbiology*
  2. Fulltext Human and animal invasive muscular sarcocystosis in Malaysia--recent cases, review and hypotheses
    Tappe D, Abdullah S, Heo CC, Kannan Kutty M, Latif B
    Trop Biomed, 2013 Sep;30(3):355-66.
    PMID: 24189667
    Sarcocystosis, an unusual parasitic zoonotic disease, is caused by coccidian/ apicomplexan protozoa in humans and animals. The parasites usually develop in a heteroxenous predator-prey life-cycle involving final (carnivore) and intermediate (omnivore/herbivore) hosts. Besides the intestinal, non-invasive form of the disease in which humans and animals are the definitive hosts for certain Sarcocystis spp., the invasive form has come to recent attention. In the latter, humans and animals serve as intermediate host harbouring sarcocysts in their muscle tissue. Already in 1991 sarcocystosis was seen as a potential emerging food borne zoonosis in Malaysia, and in 2011 and 2012 the largest cluster of symptomatic human muscular sarcocystosis world-wide was reported from Tioman Island, Pahang state. In this review, we focus on invasive sarcocystosis in humans and animals in Malaysia, review the recorded cases and epidemiology, and present hypotheses.
    Matched MeSH terms: Foodborne Diseases/epidemiology*; Foodborne Diseases/parasitology; Foodborne Diseases/pathology; Foodborne Diseases/veterinary*
  3. Fulltext Puffer fish poisoning: a family affair
    Chua HH, Chew LP
    Med J Malaysia, 2009 Jun;64(2):181-2.
    PMID: 20058587 MyJurnal
    Tetrodotoxin poisoning has been commonly reported in Japan due to consumption of contaminated fugu (puffer fish). Poisoning is possible when the fish is not cleansed and dressed properly. Puffer fish is considered a delicacy by the Japanese as the fish meat is very tender and tasty. A certified chef trained in ways of preparing this poisonous fish should only be allowed to serve this fish. Despite careful preparation, this fish remains a deadly meal for many as 50 deaths are reported annually1 . An outbreak of 34 cases of tetrodotoxin occurred in Johor in May 2008. Here, we would like to report three cases of tetrodotoxin poisoning in a family who consumed this deadly fish and was admitted to Hospital Sultanah Aminah Johor Bahru (HSAJB).
    Matched MeSH terms: Foodborne Diseases/etiology; Foodborne Diseases/therapy*
  4. Interactions between Food Hazards and Intestinal Barrier: Impact on Foodborne Diseases
    Li X, Tan CP, Liu YF, Xu YJ
    J Agric Food Chem, 2020 Dec 16;68(50):14728-14738.
    PMID: 33289375 DOI: 10.1021/acs.jafc.0c07378
    The intestine is an important digestive organ of the human body, and its barrier is the guardian of the body from the external environment. The impairment of the intestinal barrier is believed to be an important determinant in various foodborne diseases. Food hazards can lead to the occurrence of many foodborne diseases represented by inflammation. Therefore, understanding the mechanisms of the impact of the food hazards on intestinal barriers is essential for promoting human health. This review examined the relationship between food hazards and the intestinal barrier in three aspects: apoptosis, imbalance of gut microbiota, and pro-inflammatory cytokines. The mechanism of dysfunctional gut microbiota caused by food hazards was also discussed. This review discusses the interaction among food hazards, intestinal barrier, and foodborne diseases and, thus, offers a new thought to deal with foodborne disease.
    Matched MeSH terms: Foodborne Diseases/etiology*; Foodborne Diseases/metabolism*
  5. Fulltext Foodborne diseases in Malaysia
    Lim VKE
    Med J Malaysia, 2002 Mar;57(1):1-2.
    PMID: 14569712 MyJurnal
    Matched MeSH terms: Foodborne Diseases/epidemiology*
  6. Outbreak of Human Brucellosis from Consumption of Raw Goats' Milk in Penang, Malaysia
    Leong KN, Chow TS, Wong PS, Hamzah SH, Ahmad N, Ch'ng CC
    Am J Trop Med Hyg, 2015 Sep;93(3):539-41.
    PMID: 26055742 DOI: 10.4269/ajtmh.15-0246
    We report the largest outbreak of brucellosis in Penang, Malaysia. Brucellosis is not endemic in this region. The index case was a 45-year-old goat farm owner presented with 3 weeks of fever, headache, severe lethargy, poor appetite, and excessive sweating. He claimed to have consumed unpasteurized goat's milk that he had also sold to the public. Tests were negative for tropical diseases (i.e., dengue fever, malaria, leptospirosis and scrub typhus) and blood culture showed no growth. Based on epidemiological clues, Brucella serology was ordered and returned positive. Over a period of 1 year, 79 patients who had consumed milk bought from the same farm were diagnosed with brucellosis. Two of these patients were workers on the farm. Four laboratory staff had also contracted the disease presumably through handling of the blood samples. The mean duration from onset of symptoms to diagnosis was 53 days with a maximum duration of 210 days. A combination treatment of rifampin and doxycycline for 6 weeks was the first line of treatment in 90.5% of patients. One-third of the patients had sequelae after recovering and 21% had a relapse. We highlight the importance of Brucellosis as a differential diagnosis when a patient has unexplained chronic fever.
    Matched MeSH terms: Foodborne Diseases/etiology; Foodborne Diseases/microbiology; Foodborne Diseases/epidemiology*
  7. Mass poisoning in Perak, Malaysia or the Tale of the Nine Emperor Gods and rat tail noodles
    Chao TC, Maxwell SM, Lyen K, Wang D, Chia HK
    J Forensic Sci Soc, 1991 Apr-Jun;31(2):283-8.
    PMID: 1940842
    Matched MeSH terms: Foodborne Diseases/etiology*; Foodborne Diseases/epidemiology; Foodborne Diseases/pathology
  8. Microbiological quality of food contact surfaces (spoons) at selected restaurants in Klang Valley, Malaysia
    Naili Nahar, Nor Ainy Mahyudin
    Sains Malaysiana, 2018;47:1541-1545.
    Food borne diseases increase worldwide and contamination of food contact surfaces serves as one of the reasons for their occurrence. The aim of this study was to determine the microbiological quality of spoons at selected restaurants in Klang Valley, Malaysia. Five restaurants were selected therein for the study. They were respectively labelled A, B, C, D and E. A total of 150 cleaned spoons (30 spoons from each restaurants) that were ready to be used by customers at the restaurants were examined. Total plate counts (CFU/cm2) of the spoons were determined; the presumptive and confirmatory tests for the presence of Escherichia coli on the spoons were also conducted. The samples were collected by surface swabbing. The result showed that restaurant C and B had the highest and lowest total plate counts (TPC), respectively. Samples from 3 of the 5 selected restaurants (restaurants C, D and E) showed positive results for the presence of E. coli mainly due to poor dishware cleansing. On the contrary, negative results for the presence of E. coli at restaurant A and B were associated with the advance cleaning procedure, which used more hygienic method with dishwashers.
    Matched MeSH terms: Foodborne Diseases
  9. Fulltext Effect of MyMAFI-A Newly Developed Mobile App for Field Investigation of Food Poisoning Outbreak on the Timeliness in Reporting: A Randomized Crossover Trial
    Hamzah FH, Mohd Hairon S, Yaacob NM, Musa KI
    Int J Environ Res Public Health, 2019 07 10;16(14).
    PMID: 31295907 DOI: 10.3390/ijerph16142453
    Prompt investigation of food poisoning outbreak are essential, as it usually involves a short incubation period. Utilizing the advancement in mobile technology, a mobile application named MyMAFI (My Mobile Apps for Field Investigation) was developed with the aim to be an alternative and better tool for current practices of field investigation of food poisoning outbreak. A randomized cross-over trial with two arms and two treatment periods was conducted to assess the effectiveness of the newly developed mobile application as compared to the standard paper-based format approach. Thirty-six public health inspectors from all districts in Kelantan participated in this study and they were randomized into two equal sized groups. Group A started the trial as control group using the paper-format investigation form via simulated outbreaks and group B used the mobile application. After a one-month 'washout period', the group was crossed over. The primary outcome measured was the time taken to complete the outbreak investigation. The treatment effects, the period effects and the period-by-treatment interaction were analyzed using Pkcross command in Stata software. There was a significant treatment effect with mean square 21840.5 and its corresponding F statistic 4.47 (p-value = 0.038), which indicated that the mobile application had significantly improve the reporting timeliness. The results also showed that there was a significant period effect (p-value = 0.025); however, the treatment by period interaction was not significant (p-value = 0.830). The newly developed mobile application-MyMAFI-can improve the timeliness in reporting for investigation of food poisoning outbreak.
    Matched MeSH terms: Foodborne Diseases/diagnosis; Foodborne Diseases/etiology; Foodborne Diseases/epidemiology*
  10. Fulltext A unique case of tetrodotoxin poisoning
    Loke YK, Tan MH
    Med J Malaysia, 1997 Jun;52(2):172-4.
    PMID: 10968077
    A 69-year-old lady who was referred by her general practitioner with a diagnosis of food poisoning developed cardiorespiratory arrest shortly after arriving at the Casualty Department. Cardiac output was successfully restored with resuscitation but she had to be mechanically ventilated due to the absence of any spontaneous respiratory effort. Assessment 24 hours after admission, showed fixed and dilated pupils with brain stem areflexia. Her family was told that the prognosis was hopeless. Surprisingly, her condition rapidly improved a day later and she eventually had a good recovery. Her condition was actually due to severe tetrodotoxin poisoning after eating roe of the puffer fish and it was fortunate that appropriate aggressive resuscitation was instituted to revive the patient from her critical state.
    Matched MeSH terms: Foodborne Diseases/etiology*
  11. Fulltext An outbreak of Bacillus cereus food poisoning in a school hostel, Klang
    Rampal L, Jegathesan M, Lim YS
    Med J Malaysia, 1984 Jun;39(2):116-22.
    PMID: 6439984
    A food poisoning outbreak affected 114 female Malay students staying in a religious secondary school hostel in Klang. The students developed an illness mainly characterized by abdominal pain, nausea, vomiting and giddiness. The median incubation period in this outbreak was 2.5 hours. Laboratory examination of suspected food revealed 2.3 X10^6 Bacillus cereus organisms per gram of fried noodles. B. cereus was determined as the probable cause of this outbreak and the fried. noodles the most likely vehicle for the organism. An outbreak of B. cereus food poisoning is being reported in Malaysia for the first time.
    Matched MeSH terms: Foodborne Diseases/microbiology*
  12. Red tide and outbreak of paralytic shellfish poisoning in Sabah
    Roy RN
    Med J Malaysia, 1977 Mar;31(3):247-51.
    PMID: 904522
    Matched MeSH terms: Foodborne Diseases/epidemiology
  13. Fulltext Acute renal failure following jering ingestion
    H'ng PK, Nayar SK, Lau WM, Segasothy M
    Singapore Med J, 1991 Apr;32(2):148-9.
    PMID: 2042077
    We report two cases of acute renal failure that followed the ingestion of jering. Features of jering poisoning included clinical presentation of bilateral loin pain, fever, nausea, vomiting, oligo-anuria, haematuria and passage of sandy particles in the urine. Blood urea (40.8 mmol/l; 21.9 mmol/l) and serum creatinine (1249 mumols/l; 693 mumols/l) were markedly elevated. With conservative therapy which included rehydration with normal saline and alkalinisation of the urine with sodium bicarbonate, the acute renal failure resolved.
    Matched MeSH terms: Foodborne Diseases/complications
  14. Fulltext Assessing the knowledge of, attitudes towards, and practices in, food safety among migrant workers in Klang Valley, Malaysia
    Chaudhary MN, Lim VC, Sahimin N, Faller EM, Regmi P, Aryal N, et al.
    Travel Med Infect Dis, 2023;54:102620.
    PMID: 37487946 DOI: 10.1016/j.tmaid.2023.102620
    BACKGROUND: Annually, 600 million individuals are affected by food-borne diseases (FBD), alongside 425,000 fatalities. Improving the general public knowledge of, attitudes towards, and practices in, (KAP) food safety is necessary for minimizing FBD transmission. In Malaysia, migrant workers account for 11.1% of the workforce, with a high proportion involved in food and beverage services. Therefore, this study aimed (i) to evaluate the current food safety KAP, and (ii) to identify the strategies to promote food safety awareness, among migrant workers across occupational sectors in Klang Valley.

    METHOD: A survey was conducted with 403 migrant workers through phone interviews and online self-administered questionnaires. Piecewise structural equation modelling and multinomial regression were applied to identify predictor variables for food safety KAP and to explore differences across nationalities.

    RESULTS: The respondents were Nepalese, Filipino and Indonesian. The majority were male, working in the services industry, had completed high school, aged between 30 and 39 years and had worked in Malaysia for less than ten years. Knowledge was significantly correlated with attitudes and practices. Female respondents had lower knowledge and attitude scores while younger respondents had lower knowledge scores. Indonesian and Filipino respondents had lower knowledge and attitudes scores than Nepalese respondents. Understanding food safety information from social media was positively correlated with the respondents' food safety knowledge and practices.

    CONCLUSION: These findings highlighted: (i) the need to target female, younger, Indonesian and Filipino migrant workers, and (ii) the potential of social media to improve public awareness of food safety and hygienic practices.

    Matched MeSH terms: Foodborne Diseases*
  15. Fulltext Investigation of the impacts of climate change and rising temperature on food poisoning cases in Malaysia
    Hassan NA, Hashim JH, Wan Puteh SE, Wan Mahiyuddin WR, Mohd MSF, Shaharudin SM, et al.
    PLoS One, 2023;18(10):e0283133.
    PMID: 37862373 DOI: 10.1371/journal.pone.0283133
    This study is an attempt to investigate climate-induced increases in morbidity rates of food poisoning cases. Monthly food poisoning cases, average monthly meteorological data, and population data from 2004 to 2014 were obtained from the Malaysian Ministry of Health, Malaysian Meteorological Department, and Department of Statistics Malaysia, respectively. Poisson generalised linear models were developed to assess the association between climatic parameters and the number of reported food poisoning cases. The findings revealed that the food poisoning incidence in Malaysia during the 11 years study period was 561 cases per 100 000 population for the whole country. Among the cases, females and the ethnic Malays most frequently experienced food poisoning with incidence rates of 313 cases per 100,000 and 438 cases per 100,000 population over the period of 11 years, respectively. Most of the cases occurred within the active age of 13 to 35 years old. Temperature gave a significant impact on the incidence of food poisoning cases in Selangor (95% CI: 1.033-1.479; p = 0.020), Melaka (95% CI: 1.046-2.080; p = 0.027), Kelantan (95% CI: 1.129-1.958; p = 0.005), and Sabah (95% CI: 1.127-2.690; p = 0.012) while rainfall was a protective factor in Terengganu (95% CI: 0.996-0.999; p = 0.034) at lag 0 month. For a 1.0°C increase in temperature, the excess risk of food poisoning in each state can increase up to 74.1%, whereas for every 50 mm increase in rainfall, the risk of getting food poisoning decreased by almost 10%. The study concludes that climate does affect the distribution of food poisoning cases in Selangor, Melaka, Kelantan, Sabah, and Terengganu. Food poisoning cases in other states are not directly associated with temperature but related to monthly trends and seasonality.
    Matched MeSH terms: Foodborne Diseases*
  16. AN OUTBREAK OF TETRODOTOXIN POISONING FROM CONSUMING HORSESHOE CRABS IN SABAH
    Suleiman M, Muhammad J, Jelip J, William T, Chua TH
    Southeast Asian J Trop Med Public Health, 2017 Jan;48(1):197-203.
    PMID: 29644840
    The horseshoe crab (Carcinoscorpius rotundicauda) is consumed by those
    residing near the coastal areas of Kota Marudu District in Malaysia, as it is considered
    a delicacy. During June to August, 2011 thirty cases of tetrodotoxin poisoning
    were reported from Kota Marudu District following ingestion of horseshoe
    crabs caught in Kota Marudu Bay. The purpose of this study is to describe this
    case series in order to determine risk factors to prevent further outbreaks. There
    were six confirmed and 24 probable cases of tetrodotoxin poisoning identified in
    the study area during the study period as diagnosed by clinical presentation and
    laboratory findings. Symptoms included dizziness (80%), circumoral and lingual
    numbness (80%), hand and feet numbness (63.3%), nausea and vomiting (30%)
    and weakness and difficulty in breathing (26.6%). Three cases (10%) died while 27
    cases recovered. Forty-seven percent of the cases had onset of symptoms within
    30 minutes of ingestion and 14% 31-60 minutes after ingestion of horseshoe crab
    meat. Urine samples were collected from the cases, while horseshoe crabs, cockles
    and sea water from the epidemic area were also taken for analysis. Tetrodotoxin
    was detected in the urine of six cases; the highest concentrations recorded were
    among the three cases who died. High tetrodotoxin concentrations were found
    in the hepatic cecum and eggs of the tested horseshoe crabs. Dinoflagellates were
    not detected in the sea water or cockle samples. Intensive health education was
    initiated quickly to stop other members of the Marudu Bay community from
    consuming the horseshoe crabs. This is the first documented epidemic of tetrodotoxin
    poisoning in Sabah.
    Matched MeSH terms: Foodborne Diseases*
  17. Perak, Malaysia, mass poisoning. Tale of the Nine Emperor Gods and rat tail noodles
    Cheng CT
    Am J Forensic Med Pathol, 1992 Sep;13(3):261-3.
    PMID: 1476136
    In October 1988, a series of food poisoning cases occurred in the State of Perak in Malaysia. Most of the victims were children. Ultimately 13 children between the ages of 2.5 and 11 years died. Epidemiological investigations showed that the probable source of the poison was Loh See Fun, a noodles in the shape of a rat's tail. All the deceased ate the noodles from one supplier. Clinical and pathological findings were similar in each case. Postmortem examination was performed in 11 cases. Toxicological examination on organs in 10 cases showed a high concentration of aflatoxin in tissues of the deceased. High levels of boric acid were excreted from most of the victims. Histological examination of the liver in these cases showed necrotic changes found in aflatoxin poisoning. Combination of the epidemiological, clinical, toxicological, and pathological findings pointed to the fact that there was a common toxin or toxins responsible for the deaths. These were thought to be a combination of boric acid and aflatoxin.
    Matched MeSH terms: Foodborne Diseases/etiology; Foodborne Diseases/mortality*; Foodborne Diseases/pathology
  18. Fulltext Bacillus cereus and Bacillus thuringiensis in ready-to-eat cooked rice in Malaysia
    Sandra, A., Afsah-Hejri, L., Tunung, R., Tuan Zainazor, T. C., Tang, J. Y. H., Ghazali, F. M., et al.
    International Food Research Journal, 2012;19(3):829-836.
    MyJurnal
    Bacillus cereus (B. cereus) isolates are toxigenic and can cause food poisoning. Cooked rice is
    a potentially hazardous food, especially in tropical countries. The aim of this study was to determine the prevalence of B. cereus and B. thuringiensis in raw and cooked rice marketed in Selangor, Malaysia. In this research combination of Most Probable Number - Polymerase Chain Reaction (MPN-PCR) was used to detect gyrB gene in B. cereus and B. thuringiensis. Five local varieties of raw rice samples were negative for B. thuringiensis but all (100%) were positive for B. cereus. A total of 115 cooked rice samples (nasi lemak, nasi briyani, nasi ayam and nasi putih) were studied for the presence of B. cereus and B. thuringiensis. Nasi ayam was found to have the highest prevalence (100%) of B. cereus compared to nasi putih (76.2%) and nasi lemak (70.4%). Nasi briyani had the lowest prevalence (50%) of B. cereus. The frequencies of B. thuringiensis were found to be 10, 30 and 35.2 % in nasi putih and nasi ayam, nasi briyani and nasi lemak, respectively. The range of B. cereus and B. thuringiensis in the samples was from < 3 to 1100 MPN/g in different samples. Maximum number of B. cereus was observed in nasi lemak, nasi briyani and nasi putih ( > 1100 MPN/g) while nasi ayam showed less contamination (460 MPN/g) with B. cereus which was significantly different (P < 0.05 ) from others. The number of B. thuringiensis in nasi lemak, nasi briyani, nasi putih and nasi ayam were found to be >1100, 93, 9.2 and 3.6 MPN/g, respectively.
    Matched MeSH terms: Foodborne Diseases
  19. Fulltext Level of Campylobacter jejuni from naturally contaminated chicken liver and chicken legs in various task: a cross contamination study
    New, C.Y., Wong, C.Y., Usha, M., Ubong, A., Son, R., Nakaguchi, Y., et al.
    Food Research, 2017;1(2):33-37.
    MyJurnal
    Cross contamination is one of the most important contributing factors in foodborne illness
    originating in household environments. The objective of this research was to determine the
    transfer between naturally contaminated chicken liver and leg to cutting board, hand glove,
    knife and cucumber, during slicing. The microorganism tested was Campylobacter jejuni and
    the results showed that the pathogen transferred to all utensils, at different transfer rate, despite
    the low level of the naturally contaminating pathogen. With unknown concentration bacteria in
    the naturally contaminated samples, a proportion of the utensils were still contaminated with C.
    jejuni and not surprisingly, when the sample were contaminated with higher concentrations of
    the pathogen, a higher proportion of the utensils had detectable C. jejuni cells present, though
    in many cases cross contamination seems to be a random event. Transfer of the naturally
    contaminating C. jejuni from the chicken liver and leg to the utensils were
    Matched MeSH terms: Foodborne Diseases
  20. Current intervention strategies for the microbial safety of sprouts
    Sikin AM, Zoellner C, Rizvi SS
    J Food Prot, 2013 Dec;76(12):2099-123.
    PMID: 24290689 DOI: 10.4315/0362-028X.JFP-12-437
    Sprouts have gained popularity worldwide due to their nutritional values and health benefits. The fact that their consumption has been associated with numerous outbreaks of foodborne illness threatens the $250 million market that this industry has established in the United States. Therefore, sprout manufacturers have utilized the U.S. Food and Drug Administration recommended application of 20,000 ppm of calcium hypochlorite solution to seeds before germination as a preventative method. Concentrations of up to 200 ppm of chlorine wash are also commonly used on sprouts. However, chlorine-based treatment achieves on average only 1- to 3-log reductions in bacteria and is associated with negative health and environmental issues. The search for alternative strategies has been widespread, involving chemical, biological, physical, and hurdle processes that can achieve up to 7-log reductions in bacteria in some cases. The compilation here of the current scientific data related to these techniques is used to compare their efficacy for ensuring the microbial safety of sprouts and their practicality for commercial producers. Of specific importance for alternative seed and sprout treatments is maintaining the industry-accepted germination rate of 95% and the sensorial attributes of the final product. This review provides an evaluation of suggested decontamination technologies for seeds and sprouts before, during, and after germination and concludes that thermal inactivation of seeds and irradiation of sprouts are the most practical stand-alone microbial safety interventions for sprout production.
    Matched MeSH terms: Foodborne Diseases/etiology; Foodborne Diseases/epidemiology; Foodborne Diseases/prevention & control*
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