Displaying publications 21 - 40 of 684 in total

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  1. Outbreaks of trypanosomiasis and the seroprevalence of T. evansi in a deer breeding centre in Perak, Malaysia
    Adrian MS, Sani RA, Hassan L, Wong MT
    Trop Anim Health Prod, 2010 Feb;42(2):145-50.
    PMID: 19642008 DOI: 10.1007/s11250-009-9406-8
    Matched MeSH terms: Disease Outbreaks/veterinary*
  2. Malaysia culls pigs as Nipah virus strikes again
    Ahmad K
    Lancet, 2000 Jul 15;356(9225):230.
    PMID: 10963210
    Matched MeSH terms: Disease Outbreaks/prevention & control
  3. Fulltext Factors determining dengue outbreak in Malaysia
    Ahmad R, Suzilah I, Wan Najdah WMA, Topek O, Mustafakamal I, Lee HL
    PLoS One, 2018;13(2):e0193326.
    PMID: 29474401 DOI: 10.1371/journal.pone.0193326
    A large scale study was conducted to elucidate the true relationship among entomological, epidemiological and environmental factors that contributed to dengue outbreak in Malaysia. Two large areas (Selayang and Bandar Baru Bangi) were selected in this study based on five consecutive years of high dengue cases. Entomological data were collected using ovitraps where the number of larvae was used to reflect Aedes mosquito population size; followed by RT-PCR screening to detect and serotype dengue virus in mosquitoes. Notified cases, date of disease onset, and number and type of the interventions were used as epidemiological endpoint, while rainfall, temperature, relative humidity and air pollution index (API) were indicators for environmental data. The field study was conducted during 81 weeks of data collection. Correlation and Autoregressive Distributed Lag Model were used to determine the relationship. The study showed that, notified cases were indirectly related with the environmental data, but shifted one week, i.e. last 3 weeks positive PCR; last 4 weeks rainfall; last 3 weeks maximum relative humidity; last 3 weeks minimum and maximum temperature; and last 4 weeks air pollution index (API), respectively. Notified cases were also related with next week intervention, while conventional intervention only happened 4 weeks after larvae were found, indicating ample time for dengue transmission. Based on a significant relationship among the three factors (epidemiological, entomological and environmental), estimated Autoregressive Distributed Lag (ADL) model for both locations produced high accuracy 84.9% for Selayang and 84.1% for Bandar Baru Bangi in predicting the actual notified cases. Hence, such model can be used in forestalling dengue outbreak and acts as an early warning system. The existence of relationships among the entomological, epidemiological and environmental factors can be used to build an early warning system for the prediction of dengue outbreak so that preventive interventions can be taken early to avert the outbreaks.
    Matched MeSH terms: Disease Outbreaks*
  4. Fulltext Potential of Crimean-Congo Hemorrhagic Fever outbreak during Eid-Ul-Adha Islamic festival and COVID-19 pandemic in Pakistan
    Ahmed A, Tahir MJ, Siddiqi AR, Dujaili J
    J Med Virol, 2021 01;93(1):182-183.
    PMID: 32644233 DOI: 10.1002/jmv.26285
    Matched MeSH terms: Disease Outbreaks
  5. Fulltext Outbreak of vaccine-preventable diseases in Muslim majority countries
    Ahmed A, Lee KS, Bukhsh A, Al-Worafi YM, Sarker MMR, Ming LC, et al.
    J Infect Public Health, 2017 10 04;11(2):153-155.
    PMID: 28988775 DOI: 10.1016/j.jiph.2017.09.007
    The increase in Muslim parents' refusal and hesitancy to accept childhood vaccination was identified as one of the contributing factors in the increase of vaccine-preventable diseases cases in countries such as Afghanistan, Malaysia and Pakistan. The spread of inaccurate and irresponsible information by the anti-vaccination movement may inflict more harm than good on Muslim communities. To curb this issue, health authorities in Pakistan and Malaysia have resorted to imposing strict punishments on parents who refuse to allow their children to be vaccinated. Information addressing religious concerns such as the halal issue must be made priority and communicated well to the general public, encouraging not only the acceptance of vaccinations but motivating communities to play an active role in promoting vaccination. Local government of the affected region need to work towards creating awareness among Muslim parents that vaccinations are a preventative public health strategy that has been practised and acknowledged by many doctors of all faiths.
    Matched MeSH terms: Disease Outbreaks/prevention & control*
  6. Fulltext An outbreak of gastroenteritis by emerging norovirus GII.2[P16] in a kindergarten in Kota Kinabalu, Malaysian Borneo
    Ahmed K, Dony JJF, Mori D, Haw LY, Giloi N, Jeffree MS, et al.
    Sci Rep, 2020 04 28;10(1):7137.
    PMID: 32346119 DOI: 10.1038/s41598-020-64148-4
    Outbreaks of diarrhea in kindergartens are underreported and frequently go unnoticed in developing countries. To better understand the etiology this study was performed during an outbreak of diarrhea in a kindergarten in Sabah, Malaysia. Outbreak investigation was performed according to the standard procedures. In this outbreak a total of 34 (36.5%) children and 4 (30.8%) teachers suffered from gastroenteritis. Stool samples from seven children and 13 teachers were tested for rotavirus and norovirus. During the investigation stool samples were collected and sent in cold chain to the laboratory. The samples were subjected to rotavirus enzyme linked immunosorbent assay, and reverse transcription PCR for norovirus. All samples were negative for rotavirus but positive for norovirus. To determine the genogroup and genotype of norovirus, nucleotide sequencing of the amplicons was performed. All norovirus from the outbreak was of genotype GII.2[16]. To determine the relatedness of the strains phylogenetic analysis was done using neighbor-joining method. Phylogenetically these strains were highly related to GII.2[P16] noroviruses from China and Japan. This study provided evidence that a diarrheal outbreak in a kindergarten was caused by GII.2[P16] norovirus which is an emerging strain in East Asia and Europe.
    Matched MeSH terms: Disease Outbreaks*
  7. Fulltext Economic impact of a vaccine preventable disease: a scoping review on tuberculosis
    Aidalina Mahmud, Azimatun Noor Aizuddin
    Malaysian Journal of Medicine and Health Sciences, 2020;16(2):254-261.
    MyJurnal
    Using pulmonary tuberculosis (pTB) as an example of a vaccine-preventable disease (VPD), we aimed to gather evidence on the economic impact of treating a case or managing an outbreak of a VPD. A scoping review was con- ducted. Online databases (MEDLINE and Google Scholar) were used to collate published studies from the year 2015 to 2019 on the management cost of one case or an outbreak of pTB. Keywords used were cost, treatment, outbreak, pulmonary tuberculosis, tuberculosis, economic, economic evaluation. A total of 29 studies were analysed. The costs of pTB treatment for individual patient were higher in high-income countries compared to middle-income and low-income countries. A case of pTB can result in household catastrophic health expenditure; while an outbreak can overwhelm the health system’s capacity, and disrupts the economy of a country. Therefore, accessibility of vaccines especially in low-income countries must be ensured. Also, vaccine-hesitant individuals must reconsider their stance on vaccination.
    Matched MeSH terms: Disease Outbreaks
  8. Fulltext Pond sludge and increased pH cause early mortality syndrome/acute hepatopancreatic necrosis disease (EMS/AHPND) in cultured white shrimp
    Akazawa, Noriaki, Eguchi, Mitsuru
    Borneo Journal of Marine Science and Aquaculture, 2017;1(1):92-96.
    MyJurnal
    Microcosm experiments simulating the occurrence of early mortality syndrome/acute hepatopancreatic necrosis disease (EMS/AHPND) in white shrimp production ponds were performed in 30-L aquariums. Healthy white shrimp, Litopenaeus vannamei, were reared in aquariums containing EMS/AHPND-free hatchery or pond water. Raw pond sludge, collected from shrimp ponds where EMS/AHPND had occurred, was added to some test aquariums, while others were treated with sterilized pond sludge. In some aquariums, water pH was increased from 7.5 to 8.8. Microcosms with stable pH (around 7.5) and/or autoclaved sludge served as controls. The combination of raw sludge and increased pH induced EMS/AHPND and killed white shrimp, whereas raw sludge/stable pH and autoclaved sludge/increased pH combinations did not affect healthy shrimp. Thus, EMS/AHPND outbreaks are due not only to the causative agent but also to environmental stresses such as pH fluctuation. These findings contribute to improved management in shrimp production farms.
    Matched MeSH terms: Disease Outbreaks
  9. A review of potential factors contributing to epidemic cholera in Yemen
    Al-Gheethi A, Noman E, Jeremiah David B, Mohamed R, Abdullah AH, Nagapan S, et al.
    J Water Health, 2018 Oct;16(5):667-680.
    PMID: 30285950 DOI: 10.2166/wh.2018.113
    The menace of cholera epidemic occurrence in Yemen was reported in early 2017. Recent reports revealed that an estimated 500,000 people are infected with cholera whereas 2,000 deaths have been reported in Yemen. Cholera is transmitted through contaminated water and food. Yemen is the least developed country among the Middle East countries in terms of wastewater and solid waste management. The population of Yemen is about 24.5 million and generates about 70-100 million m3 of sewage. An estimated 7% of the population has sewerage systems. It has been revealed that 31.2 million m3 of untreated sewage is used for irrigation purposes especially for vegetables and Khat trees. In addition, more than 70% of the population in Yemen has no potable water. They depend on water wells as a water source which are located close to sewage disposal sites. The present review focuses on the current status of water, wastewater as well as solid waste management in Yemen and their roles in the outbreak of cholera. Future prospects for waste management have been proposed.
    Matched MeSH terms: Disease Outbreaks
  10. Fulltext Recent perspectives and awareness on transmission, clinical manifestation, quarantine measures, prevention and treatment of COVID-19 among people living in Malaysia in 2020
    Alabed AAA, Elengoe A, Anandan ES, Almahdi AY
    Z Gesundh Wiss, 2020 Oct 14.
    PMID: 33078089 DOI: 10.1007/s10389-020-01395-9
    Background: There is a major public health challenge threatening the world with the rapid spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which emerged in December 2019 from Wuhan, China.

    Objective: The aim of this study was to assess the knowledge, attitude and practice regarding COVID-19 and its transmission, causes and prevention among people living in Malaysia.

    Methods: A cross-sectional study was conducted among people living in Malaysia by using an online survey in March and April 2020.

    Results: Out of 520 respondents, the mean age was 36.9 ± 14.9, between 19 and 67 years with the majority being female. Most respondents had good knowledge, attitude and practice towards COVID-19 with mean ± sd 18.2 ± 1.7, 5.2 ± 1.1 and 4.1 ± 1.4, respectively. In addition, the majority had good knowledge regarding cause, mode of transmission, signs and symptoms, prevention and treatment and quarantine measures after answering 21 questions.

    Conclusion: To date, there is no specific treatment or vaccine for COVID-19, thus staying at home is the best preventive measure to curb the further growth of positive cases in the country. These findings could provide an insight in designing effective preparedness for future pandemic outbreaks.

    Matched MeSH terms: Disease Outbreaks
  11. Fulltext Nipah virus, an emerging zoonotic disease causing fatal encephalitis
    Alam AM
    Clin Med (Lond), 2022 Jul;22(4):348-352.
    PMID: 35760448 DOI: 10.7861/clinmed.2022-0166
    Nipah virus is an acute febrile illness that can cause fatal encephalitis. It is an emerging zoonotic paramyxovirus endemic to south-east Asia and the western Pacific, and can be transmitted by its primary reservoir of fruit bats, through intermediate animal vectors and by human-to-human spread. Outbreaks of Nipah virus encephalitis have occurred in Malaysia, Singapore, Philippines, India and Bangladesh, with the most recent outbreak occurring in Kerala, India in late 2021. Extremely high case fatality rates have been reported from these outbreaks, and to date no vaccines or therapeutic management options are available. Combining this with its propensity to present non-specifically, Nipah virus encephalitis presents a challenging diagnosis that should not be missed in patients returning from endemic regions. Raising awareness of the epidemiology, clinical presentation and risk factors of contracting Nipah virus is vital to recognise and manage potential outbreaks of this disease in the UK.
    Matched MeSH terms: Disease Outbreaks/prevention & control
  12. Fulltext COVID-19 outbreak and sectoral performance of the Australian stock market: An event study analysis
    Alam MM, Wei H, Wahid ANM
    Aust Econ Pap, 2020 Nov 27.
    PMID: 33349733 DOI: 10.1111/1467-8454.12215
    The outbreak of COVID-19 has weakened the economy of Australia and its capital market since early 2020. The overall stock market has declined. However, some sectors become highly vulnerable while others continue to perform well even in the crisis period. Given this new reality, we seek to investigate the initial volatility and the sectoral return. In this study, we analyse data for eight sectors such as, transportation, pharmaceuticals, healthcare, energy, food, real estate, telecommunications and technology of the Australian stock market. In doing so, we obtain data from Australian Securities Exchange (ASX) and analysed them based on 'Event Study' method. Here, we use the 10-days window for the event of official announcement of the COVID-19 outbreak in Australia on 27 February 2020. The findings of the study show that on the day of announcement, the indices for food, pharmaceuticals and healthcare exhibit impressive positive returns. Following the announcement, the telecommunications, pharmaceuticals and healthcare sectors exhibit good performance, while poor performance is demonstrated by the transportation industry. The findings are vital for investors, market participants, companies, private and public policymakers and governments to develop recovery action plans for vulnerable sectors and enable investors to regain their confidence to make better investment decisions.
    Matched MeSH terms: Disease Outbreaks
  13. Summary of avian influenza activity in Europe, Asia, Africa, and Australasia, 2002-2006
    Alexander DJ
    Avian Dis, 2007 Mar;51(1 Suppl):161-6.
    PMID: 17494548
    Between December 2003 and January 2004 highly pathogenic avian influenza (HPAI) H5N1 infections of poultry were declared in China, Japan, South Korea, Laos, Thailand, Cambodia, Vietnam, and Indonesia. In 2004 an outbreak was reported in Malaysia. In 2005 H5N1 outbreaks were recorded in poultry in Russia, Kazakhstan, Mongolia, Romania, Turkey, and Ukraine, and virus was isolated from swans in Croatia. In 2004 HPAI H5N1 virus was isolated from smuggled eagles detected at the Brussels Airport and in 2005 imported caged birds held in quarantine in England. In 2006 HPAI was reported in poultry in Iraq, India, Azerbaijan, Pakistan, Myanmar, Afghanistan, and Israel in Asia; Albania, France, and Sweden in Europe; and Nigeria, Cameroon, and Niger in Africa; as well as in wild birds in some 24 countries across Asia and Europe. In 2003, over 25,000,000 birds were slaughtered because of 241 outbreaks of HPAI caused by virus of H7N7 subtype in the Netherlands. The virus spread into Belgium (eight outbreaks) and Germany (one outbreak). HPAI H5N2 virus was responsible for outbreaks in ostriches in South Africa during 2005. HPAI H7N3 virus was isolated in Pakistan in 2004. Low-pathogenicity avian influenza (LPAI) H5 or H7 viruses were isolated from poultry in Italy (H7N3 2002-2003; H5N2 2005), The Netherlands (H7N3 2002), France (H5N2 2003), Denmark (H5N7 2003), Taiwan (H5N2 2004), and Japan (H5N2 2005). Many isolations of LPAI viruses of other subtypes were reported from domestic and wild birds. Infections with H9N2 subtype viruses have been widespread across Asia during 2002-06.
    Matched MeSH terms: Disease Outbreaks/veterinary
  14. Fulltext Using pulsed-field gel electrophoresis in the molecular investigation of an outbreak of Serratia marcescens infection in an intensive care unit
    Alfizah H, Nordiah AJ, Rozaidi WS
    Singapore Med J, 2004 May;45(5):214-8.
    PMID: 15143356
    Serratia marcescens is a well-known cause of nosocomial infections and outbreaks, particularly in immunocompromised patients with severe underlying disease. An outbreak due to S. marcescens infection was detected from 13 to 22 February 2001 at the intensive care unit (ICU) of our institution. We used pulsed-field gel electrophoresis (PFGE) typing to analyse the outbreak strains involved.
    Matched MeSH terms: Disease Outbreaks
  15. Fulltext The forgotten sub-regional COVID-19 response layer. The case of the WHO Eastern Mediterranean Region
    Ali Maher O, Elamein Boshara MA, Pichierri G, Cegolon L, Panu Napodano CM, Murgia P, et al.
    J Infect Dev Ctries, 2021 04 30;15(4):478-479.
    PMID: 33956646 DOI: 10.3855/jidc.14057
    The response to the COVID-19 pandemic have been driven by epidemiology, health system characteristics and control measures in form of social/physical distancing. Guidance, information and best practices have been characterized by territorial thinking with concentration on national health system and social contexts. Information was to a large extent provided from global entities such as the World Health Organization (WHO), Centers for Disease Control and Prevention (CDC) and others. This bipolar response mechanism came to the detriment of regional and sub-regional levels. The development of the global pandemic was evaluated in terms of the performance of single countries without trying to reflect on possible regional or sub-regional results of similar characteristics in health system and social contexts. To have a clearer view of the issue of sub-regional similarities, we examined the WHO, Eastern Mediterranean Region. When examining the development of confirmed cases for countries in the region, we identified four different sub-groups similar in the development of the pandemic and the social distancing measure implemented. Despite the complicated situation, these groups gave space for thinking outside the box of traditional outbreaks or pandemic response. We think that this sub-regional approach could be very effective in addressing more characteristics and not geographically based analysis. Furthermore, this can be an area of additional conceptual approaches, modelling and concrete platforms for information and lessons learned exchange.
    Matched MeSH terms: Disease Outbreaks/prevention & control
  16. Fulltext Nipah virus among military personnel involved in pig culling during an outbreak of encephalitis in Malaysia, 1998-1999
    Ali R, Mounts AW, Parashar UD, Sahani M, Lye MS, Isa MM, et al.
    Emerg Infect Dis, 2001 Jul-Aug;7(4):759-61.
    PMID: 11592256
    Matched MeSH terms: Disease Outbreaks*
  17. [How dangerous is avian flu for mankind?]
    Allwinn R, Doerr HW
    Med. Klin. (Munich), 2005 Nov 15;100(11):710-3.
    PMID: 16328178
    Avian influenza, an infectious disease of birds, is caused by type A strain of the influenza virus. The disease, which was first identified in Italy more than 100 years ago, occurs worldwide. Avian influenza viruses are mainly distributed by migratory birds. Various animals like birds, pigs, horses, sea mammals and, finally, humans are susceptible to influenza A viruses. The high possibility of genomic changes like gene shift and drift are caused by the segmented RNA genome.
    Matched MeSH terms: Disease Outbreaks
  18. Fulltext Characteristics, risk factors and outcomes among the first consecutive 1096 patients diagnosed with COVID-19 in Kuwait
    Almazeedi S, Al-Youha S, Jamal MH, Al-Haddad M, Al-Muhaini A, Al-Ghimlas F, et al.
    EClinicalMedicine, 2020 Jul;24:100448.
    PMID: 32766546 DOI: 10.1016/j.eclinm.2020.100448
    Background: In Kuwait, prior to the first case of COVID-19 being reported in the country, mass screening of incoming travelers from countries with known outbreaks was performed and resulted in the first identified cases in the country. All COVID-19 cases at the time and subsequently after, were transferred to a single center, Jaber Al-Ahmad Al-Sabah Hospital, where the patients received standardized investigations and treatments. The objective of this study was to characterize the demographics, clinical manifestations, and outcomes in this unique patient population.

    Methods: This retrospective cohort study was conducted between 24th February 2020 and 20th April 2020. All consecutive patients in the entire State of Kuwait diagnosed with COVID-19 according to WHO guidelines and admitted to Jaber Al-Ahmad Al-Sabah Hospital were included. Patients received standardized investigations and treatments. Multivariable analysis was used to determine the associations between risk factors and outcomes (admission to intensive care and/or mortality).

    Findings: Of 1096 patients, the median age was 41 years and 81% of patients were male. Most patients were asymptomatic on admission (46.3%), of whom 35 later developed symptoms, and 59.7% had no signs of infection. Only 3.6% of patients required an ICU admission and 1.7% were dead at the study's cutoff date. On multivariable analysis, the risk factors found to be significantly associated with admission to intensive care were age above 50 years old, a qSOFA score above 0, smoking, elevated CRP and elevated procalcitonin levels. Asthma, smoking and elevated procalcitonin levels correlated significantly with mortality in our cohort.

    Matched MeSH terms: Disease Outbreaks
  19. A household-based survey of knowledge, attitudes and practices towards dengue fever among local urban communities in Taiz Governorate, Yemen
    Alyousefi TA, Abdul-Ghani R, Mahdy MA, Al-Eryani SM, Al-Mekhlafi AM, Raja YA, et al.
    BMC Infect Dis, 2016 Oct 7;16(1):543.
    PMID: 27717333
    Yemen has witnessed several dengue fever outbreaks coincident with the social unrest and war in the country. The aim of the present study was to describe the knowledge, attitudes and practices (KAPs) of at-risk urban populations residing in Taiz, southwest of Yemen. In addition, factors possibly associated with poor preventive practices were investigated.
    Matched MeSH terms: Disease Outbreaks
  20. An outbreak of Streptococcus agalactiae infection in cage-cultured golden pompano, Trachinotus blochii (Lacépède), in Malaysia
    Amal MN, Zamri-Saad M, Iftikhar AR, Siti-Zahrah A, Aziel S, Fahmi S
    J Fish Dis, 2012 Nov;35(11):849-52.
    PMID: 22913387 DOI: 10.1111/j.1365-2761.2012.01443.x
    Matched MeSH terms: Disease Outbreaks*
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