Displaying publications 1 - 20 of 149 in total

  1. Chee CS
    Family Practitioner, 1984;7:9-14.
    Matched MeSH terms: Communicable Diseases
  2. Wong YP, Othman S, Lau YL, Radu S, Chee HY
    J. Appl. Microbiol., 2018 Mar;124(3):626-643.
    PMID: 29165905 DOI: 10.1111/jam.13647
    Loop-mediated isothermal amplification (LAMP) amplifies DNA with high specificity, efficiency and rapidity under isothermal conditions by using a DNA polymerase with high displacement strand activity and a set of specifically designed primers to amplify targeted DNA strands. Following its first discovery by Notomi et al. ( Nucleic Acids Res 28: E63), LAMP was further developed over the years which involved the combination of this technique with other molecular approaches, such as reverse transcription and multiplex amplification for the detection of infectious diseases caused by micro-organisms in humans, livestock and plants. In this review, available types of LAMP techniques will be discussed together with their applications in detection of various micro-organisms. Up to date, there are varieties of LAMP detection methods available including colorimetric and fluorescent detection, real-time monitoring using turbidity metre and detection using lateral flow device which will also be highlighted in this review. Apart from that, commercialization of LAMP technique had also been reported such as lyophilized form of LAMP reagents kit and LAMP primer sets for detection of pathogenic micro-organisms. On top of that, advantages and limitations of this molecular detection method are also described together with its future potential as a diagnostic method for infectious disease.
    Matched MeSH terms: Communicable Diseases/diagnosis*; Communicable Diseases/microbiology; Communicable Diseases/parasitology; Communicable Diseases/virology
  3. Apenteng OO, Ismail NA
    PLoS ONE, 2014;9(6):e98288.
    PMID: 24911023 DOI: 10.1371/journal.pone.0098288
    Previous models of disease spread involving delay have used basic SIR (susceptible--infectious--recovery) formulae and approaches. This paper demonstrates how time-varying SEIRS (S--exposed--I - R - S) models can be extended with delay to produce wave propagations that simulate periodic wave fronts of disease spread in the context of population movements. The model also takes into account the natural mortality associated with the disease spread. Understanding the delay of an infectious disease is critical when attempting to predict where and how fast the disease will propagate. We use cellular automata to model the delay and its effect on the spread of infectious diseases where population movement occurs. We illustrate an approach using wavelet transform analysis to understand the impact of the delay on the spread of infectious diseases. The results indicate that including delay provides novel ways to understand the effects of migration and population movement on disease spread.
    Matched MeSH terms: Communicable Diseases/epidemiology*; Communicable Diseases/transmission
  4. Arokiasamy JT
    Med. J. Malaysia, 1990 Sep;45(3):181-6.
    PMID: 2152078
    Matched MeSH terms: Communicable Diseases/epidemiology*
    J R Army Med Corps, 1950 Oct;95(4):196-99.
    PMID: 14795504
    Matched MeSH terms: Communicable Diseases*
  6. AUDY JR
    Med J Malaya, 1956 Sep;11(1):21-32.
    PMID: 13399540
    Matched MeSH terms: Communicable Diseases/transmission*
    Med J Malaya, 1956 Sep;11(1):71-5.
    PMID: 13399544
    Matched MeSH terms: Communicable Diseases/transmission*
  8. Bosco J
    Ann. Acad. Med. Singap., 1988 Apr;17(2):251-3.
    PMID: 3044263
    Immunology is a discipline that traverses all branches of clinical medicine. Thus since about ten years ago major hospitals in Malaysia established routine clinical immunology services particularly in the diagnosis of autoimmune/connective tissue disorders. More recently these laboratories have ventured into basic research in Dengue Haemorrhagic Fever, Leukaemia Immunology, Nasopharyngeal Cancer and Leprosy. The rationale for these projects together with early results from them are discussed.
    Matched MeSH terms: Communicable Diseases/immunology
  9. Jabbarzare M, Chin VK, Talib H, Yam MF, Adam SK, Hassan H, et al.
    Iran J Parasitol, 2015 Jul-Sep;10(3):389-401.
    PMID: 26622294
    Interleukin 18 (IL-18) exerts pleiotropic roles in many inflammatory-related diseases including parasitic infection. Previous studies have demonstrated the promising therapeutic potential of modulating IL-18 bioactivity in various pathological conditions. However, its involvement during malaria infection has yet to be established. In this study, we demonstrated the effect of modulating IL-18 on the histopathological conditions of malaria infected mice.
    Matched MeSH terms: Communicable Diseases
  10. Teh CS, Chua KH, Thong KL
    Int J Med Sci, 2014;11(7):732-41.
    PMID: 24904229 DOI: 10.7150/ijms.7768
    The incidence of enteric fever caused by Salmonella enterica serovar Paratyphi A (S. Paratyphi A) is increasing in many parts of the world. Although there is no major outbreak of paratyphoid fever in recent years, S. Paratyphi A infection still remains a public health problem in many tropical countries. Therefore, surveillance studies play an important role in monitoring infections and the emergence of multidrug resistance, especially in endemic countries such as India, Nepal, Pakistan and China. In China, enteric fever was caused predominantly by S. Paratyphi A rather than by Salmonella enterica serovar Typhi (S. Typhi). Sometimes, S. Paratyphi A infection can evolve into a carrier state which increases the risk of transmission for travellers. Hence, paratyphoid fever is usually classified as a "travel-associated" disease. To date, diagnosis of paratyphoid fever based on the clinical presentation is not satisfactory as it resembles other febrile illnesses, and could not be distinguished from S. Typhi infection. With the availability of Whole Genome Sequencing technology, the genomes of S. Paratyphi A could be studied in-depth and more specific targets for detection will be revealed. Hence, detection of S. Paratyphi A with Polymerase Chain Reaction (PCR) method appears to be a more reliable approach compared to the Widal test. On the other hand, due to increasing incidence of S. Paratyphi A infections worldwide, the need to produce a paratyphoid vaccine is essential and urgent. Hence various vaccine projects that involve clinical trials have been carried out. Overall, this review provides the insights of S. Paratyphi A, including the bacteriology, epidemiology, management and antibiotic susceptibility, diagnoses and vaccine development.
    Matched MeSH terms: Communicable Diseases/microbiology; Communicable Diseases/epidemiology*; Communicable Diseases/pathology
  11. Field HE
    Zoonoses Public Health, 2009 Aug;56(6-7):278-84.
    PMID: 19497090 DOI: 10.1111/j.1863-2378.2008.01218.x
    Nearly 75% of all emerging infectious diseases (EIDs) that impact or threaten human health are zoonotic. The majority have spilled from wildlife reservoirs, either directly to humans or via domestic animals. The emergence of many can be attributed to predisposing factors such as global travel, trade, agricultural expansion, deforestation/habitat fragmentation, and urbanization; such factors increase the interface and/or the rate of contact between human, domestic animal, and wildlife populations, thereby creating increased opportunities for spillover events to occur. Infectious disease emergence can be regarded as primarily an ecological process. The epidemiological investigation of EIDs associated with wildlife requires a trans-disciplinary approach that includes an understanding of the ecology of the wildlife species, and an understanding of human behaviours that increase risk of exposure. Investigations of the emergence of Nipah virus in Malaysia in 1999 and severe acute respiratory syndrome (SARS) in China in 2003 provide useful case studies. The emergence of Nipah virus was associated with the increased size and density of commercial pig farms and their encroachment into forested areas. The movement of pigs for sale and slaughter in turn led to the rapid spread of infection to southern peninsular Malaysia, where the high-density, largely urban pig populations facilitated transmission to humans. Identifying the factors associated with the emergence of SARS in southern China requires an understanding of the ecology of infection both in the natural reservoir and in secondary market reservoir species. A necessary extension of understanding the ecology of the reservoir is an understanding of the trade, and of the social and cultural context of wildlife consumption. Emerging infectious diseases originating from wildlife populations will continue to threaten public health. Mitigating and managing the risk requires an appreciation of the connectedness between human, livestock and wildlife health, and of the factors and processes that disrupt the balance.
    Matched MeSH terms: Communicable Diseases, Emerging/transmission*; Communicable Diseases, Emerging/veterinary*; Communicable Diseases, Emerging/virology
  12. Sayuti, R., Baharudin, A., Amran, M.
    Submasseteric abscess is unusual in the head and neck region. Patients with this condition may be misdiagnosed as a parotid abscess due to the similarities in their presentation. Awareness and due recognition should be given to this unusual problem.
    Matched MeSH terms: Communicable Diseases
  13. Azad Hassan Abdul Razack
    JUMMEC, 2007;10(1):1-2.
    Healthy lifestyle issues have been very much in the news in both the lay press and the medical journals. The incidence of chronic non-communicable diseases is increasing worldwide and it is no different in Malaysia. Preventing and decreasing the incidence is related to lifestyle issues.(Copied from article).
    Matched MeSH terms: Communicable Diseases
  14. Mohd Zain SN, Basáñez MG
    Trends Parasitol., 2018 05;34(5):356-358.
    PMID: 29358040 DOI: 10.1016/j.pt.2017.12.009
    We share the insights from a successful collaboration in organizing and implementing an international scientific capacity-building workshop in Malaysia titled Mathematical Modelling of Neglected Infectious Diseases: Capacity Building in Southeast Asia. This workshop focused on the delivery of technical know-how and on essential soft skills related to effective grant proposal writing and networking.
    Matched MeSH terms: Communicable Diseases
  15. Lo EKC
    Family Practitioner, 1982;5:7-11.
    The importance of epidemiology and epidemilogical knowledge of plantation health and disease in the planning of health care & effective management of a plantation is highlighted. The results of the survey of endemic diseases in the estates in Peninsular Malaysia are presented and compared with national disease patterns. The disease patterns in the plantations are similar to those for the country in general. Differences that exist are due to differences in the ecology of the plantations. The health effects of ecological changes consequent on development and progress are referred to. Most of the endemic communicable diseases encountered in the plantations can be prevented and controlled through the improvement of the micro environment of the plantations and the utilisation of simple available appropriate technologies for health care and services.
    Matched MeSH terms: Communicable Diseases
  16. Sabbatani S, Fiorino S, Manfredi R
    Braz J Infect Dis, 2010 May-Jun;14(3):299-309.
    PMID: 20835518
    After examining the most recent scientific evidences, which assessed the role of some malaria plasmodia that have monkeys as natural reservoirs, the authors focus their attention on Plasmodium knowlesi. The infective foci attributable to this last Plasmodium species have been identified during the last decade in Malaysia, in particular in the states of Sarawak and Sabah (Malaysian Borneo), and in the Pahang region (peninsular Malaysia). The significant relevance of molecular biology assays (polymerase chain reaction, or PCR, performed with specific primers for P. knowlesi), is underlined, since the traditional microscopic examination does not offer distinguishing features, especially when the differential diagnosis with Plasmodium malariae is of concern. Furthermore, Plasmodium knowlesi disease may be responsible of fatal cases, since its clinical presentation and course is more severe compared with those caused by P. malariae, paralleling a more elevated parasitemia. The most effective mosquito vector is represented by Anopheles latens; this mosquito is a parasite of both humans and monkeys. Among primates, the natural hosts are Macaca fascicularis, M. nemestina, M. inus, and Saimiri scirea. When remarking the possible severe evolution of P. knowlesi malaria, we underline the importance of an early recognition and a timely management, especially in patients who have their first onset in Western Hospitals, after journeys in Southeast Asian countries, and eventually participated in trekking excursions in the tropical forest. When malaria-like signs and symptoms are present, a timely diagnosis and treatment become crucial. In the light of its emerging epidemiological features, P. knowlesi may be added to the reknown human malaria parasites, whith includes P. vivax, P. ovale, P. malariae, and P. falciparum, as the fifth potential ethiologic agent of human malaria. Over the next few years, it will be mandatory to support an adequate surveillance and epidemiological network. In parallel with epidemiological and health care policy studies, also an accurate appraisal of the clinical features of P. knowlesi-affected patients will be strongly needed, since some preliminary experiences seem to show an increased disease severity, associated with increased parasitemia, in parallel with the progressive increase of inter-human infectious passages of this emerging Plasmodium.
    Matched MeSH terms: Communicable Diseases, Emerging/epidemiology; Communicable Diseases, Emerging/parasitology*; Communicable Diseases, Emerging/transmission; Communicable Diseases, Emerging/veterinary
  17. Cox-Singh J, Singh B
    Trends Parasitol., 2008 Sep;24(9):406-10.
    PMID: 18678527 DOI: 10.1016/j.pt.2008.06.001
    Several questions on public health impact have arisen from the discovery of a large focus of the simian malaria parasite, Plasmodium knowlesi, in the human population. P. knowlesi malaria is not newly emergent and was overlooked until molecular tools to distinguish between P. knowlesi and the morphologically similar Plasmodium malariae became available. Knowlesi malaria is a zoonosis that is widely distributed in Southeast Asia and can be fatal. Information on knowlesi malaria should be included in medical and public health guidelines to encourage the accurate diagnosis and treatment of patients, and monitor the incidence and distribution of cases. A complete emergence of P. knowlesi into the human population could be overwhelming and, although challenging, the prevention of this situation deserves serious consideration.
    Matched MeSH terms: Communicable Diseases, Emerging*
  18. Isahak I, Steering Committee for Prevention and Control of Infectious Diseases in Asia
    PMID: 11023089
    Adult immunization is a neglected and underpublicised issue in Southeast Asia. Vaccine-preventable diseases cause unnecessary morbidity and mortality among adults in the region, while inadequate immunization results in unnecessary costs, including those associated with hospitalization, treatment, and loss of income. Childhood vaccination coverage is high for the EPI diseases of diphtheria, tetanus and pertussis; however, unvaccinated, undervaccinated, and aging adults with waning immunity remain at risk from infection and may benefit from vaccination. Catch-up immunization is advisable for adults seronegative for hepatitis B virus, while immunization against the hepatitis A and varicella viruses may benefit those who remain susceptible. Among older adults, immunization against influenza and pneumococcal infections is likely to be beneficial in reducing morbidity and mortality. Certain vaccinations are also recommended for specific groups, such as rubella for women of child-bearing age, typhoid for those travelling to high-endemicity areas, and several vaccines for high-risk occupational groups such as health care workers. This paper presents an overview of a number of vaccine-preventable diseases which occur in adults, and highlights the importance of immunization to protect those at risk of infection.
    Matched MeSH terms: Communicable Diseases/epidemiology
  19. Lim VKE
    Med. J. Malaysia, 2001 Mar;56(1):1-3.
    PMID: 11503284
    Matched MeSH terms: Communicable Diseases, Emerging/epidemiology*
  20. Hickey JP, Flaherty G
    Travel Med Infect Dis, 2015 Mar-Apr;13(2):197-9.
    PMID: 25736947 DOI: 10.1016/j.tmaid.2015.01.004
    Matched MeSH terms: Communicable Diseases/epidemiology*
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