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Fulltext Preventing sexually transmitted infections: back to basics

Rompalo A

J Clin Invest, 2011 Dec;121(12):4580-3.
PMID: 22133882 DOI: 10.1172/JCI61592

Sexually transmitted infections (STIs) have plagued humans for millennia and can result in chronic disease, pregnancy complications, infertility, and even death. Recent technological advances have led to a better understanding of the causative agents for these infections as well as aspects of their pathogenesis that might represent novel therapeutic targets. The articles in this Review Series provide excellent updates on the recent advances in understanding of the pathogenesis of some very important and persistent STIs and discuss the importance of considering each pathogen in the broader context of the environment of the individual who it infects.

Matched MeSH terms: Sexually Transmitted Diseases/epidemiology; Sexually Transmitted Diseases/prevention & control*; Sexually Transmitted Diseases/transmission
Colonial Medical Reports.—No. 67.—Federated Malay States. Medical report for the year 1914.

Sansom CL

J Trop Med Hyg, 1916;19:69-86.

Contents:
Vital statistics
Principal causes of death
Return op diseases and deaths, 1914 in the Hospitals in Perak, Selangor, Negri Sembilan and Pahang
Smallpox
Veneral diseases
Quarantine station, Port Swettenham
Estates
Veterinary
Quarantine stations
Metereology
General
Perak
Malaria advisor board
Institute for Medical Research
Malaria board bureau, Kuala Lumpur, F.M.S., March 1, 1915. By C. Strickland, Travelling Medical Entomologist, F.M.S.
An outbreak of fever at Morib in the Federated Malay States

Matched MeSH terms: Sexually Transmitted Diseases
Fulltext Disseminated melioidosis in early pregnancy - an unproven cause of foetal loss

Chang CY, Lau NLJ, Currie BJ, Podin Y

BMC Infect Dis, 2020 Mar 06;20(1):201.
PMID: 32143598 DOI: 10.1186/s12879-020-4937-8

BACKGROUND: Melioidosis is a potentially life-threatening infection caused by the Gram-negative bacterium Burkholderia pseudomallei. Melioidosis is difficult to diagnose due to its diverse clinical manifestations, which often delays administration of appropriate antibiotic therapy.
CASE PRESENTATION: Melioidosis is uncommon in pregnancy but both spontaneous abortion and neonatal melioidosis have been reported. We report a case of bacteraemic melioidosis in a young woman with a subsequent spontaneous abortion, with B. pseudomallei cultured from a high vaginal swab as well as blood.
CONCLUSION: It remains unclear in this and previously reported cases as to whether the maternal melioidosis was sexually transmitted.

Matched MeSH terms: Sexually Transmitted Diseases, Bacterial/diagnosis*; Sexually Transmitted Diseases, Bacterial/drug therapy; Sexually Transmitted Diseases, Bacterial/microbiology
Some anomalies in the course of congenital syphilis in chinese

Galloway DJ

Malayan Medical Journal, 1927;2:4-7.

Matched MeSH terms: Sexually Transmitted Diseases
Detection of Neospora caninum DNA in semen of experimental infected rams with no evidence of horizontal transmission in ewes

Syed-Hussain SS, Howe L, Pomroy WE, West DM, Smith SL, Williamson NB

Vet Parasitol, 2013 Nov 8;197(3-4):534-42.
PMID: 23819894 DOI: 10.1016/j.vetpar.2013.06.002

Recent reports from New Zealand indicate Neospora caninum has a possible role in causing abortions in sheep. Transmission of N. caninum via semen has been documented in cattle. This study aimed to investigate if horizontal transmission through semen was also possible in sheep. Initially, 6-month old crossbred ram lambs (n=32), seronegative to N. caninum, were divided into 4 equal groups. Group 1 remained uninoculated whilst the remainder were inoculated with N. caninum tachyzoites intravenously as follows: Group 2 - 50 tachyzoites; Group 3 - 10(3) tachyzoites; Group 4 - 10(7) tachyzoites. Semen samples were collected weekly for 8 weeks for the detection of N. caninum DNA and quantified using quantitative PCR (qPCR). Plasma collected 1 month post-inoculation was subjected to ELISA (IDEXX Chekit) and Western blot. At 2 weeks post-infection, three rams from Group 1 (uninoculated) and three rams from Group 4 (10(7)tachyzoites/ml) were mated with two groups of 16 ewes over two oestrus cycles. Ewe sera collected 1 and 2 months post-mating were tested for seroconversion by ELISA and Western blot. All experimentally infected rams seroconverted by 1 month with ELISA S/P% values ranging from 11% to 36.5% in Group 2, 12-39.5% in Group 3 and 40-81% in Group 4. However, none of the ewes mated with the experimentally infected rams seroconverted. For the Western blot, responses towards immunodominant antigens (IDAs) were observed in ram sera directed against proteins at 10, 17, 21, 25-29, 30, 31, 33 and 37 kDa. Rams in Group 2, 3 and 4 were noted to have at least 3 IDAs present. None of the ewes showed any of the 8 prominent IDAs except for the one at 21 kDa which was seen in 30 out of 32 ewes in both groups. N. caninum DNA was detected intermittently in the ram's semen up to 5 weeks post-inoculation with the concentrations ranging from that equivalent to 1-889 tachyzoites per ml of semen. Low concentrations of N. caninum DNA were also detected in the brain tissue of two rams (Groups 1 and 4). These results suggest that although N. caninum DNA can be found in the semen of experimentally infected rams, the transmission of N. caninum via natural mating is an unlikely event.

Matched MeSH terms: Sexually Transmitted Diseases/parasitology; Sexually Transmitted Diseases/veterinary
Fulltext Demographic characteristics and prevalence of other sexually transmitted diseases in HIV-positive patients seen in the Dermatology cum Genitourinary Clinic, Hospital Sultanah Aminah, Johor Bahru

Choon SE, Mathew M, Othman BS

Med J Malaysia, 2000 Jun;55(2):174-9.
PMID: 19839145

The demographic characteristics, risk behaviourand prevalence of other sexually transmitted diseases (STDs) were determined in 132 HIV-infected individuals seen in a Dermatology cum Genitourinary Clinic, Hospital Sultanah Aminah Johor Bahru. Sixty-one (46.2%) were Malays, 37.9% Chinese, 10.6% Indians and 5.3% were of other ethnic groups. The male to female ratio was 4.5:1. Most of the patients (82.5%) were between 20 to 40 years-old. Seventy (53.0%) were single, 34.1% were married and 7.5% were divorcees. The majority of them (97.7%) were heterosexual. Fifty seven (53.3%) of our male patients patronised commercial workers. Eighty-one (61.8%) were not intravenous drug users (IVDU). Of the 50 IVDUs, 24 had multiple sexual exposures. Fifty-three (48.2%) of the 109 patients screened for STDs had one or more other STDs. Thirty-four patients (31.9%) reported one STD in the past and 3.6% reported two STDs in the past. Fifty-six patients (42.4%) had developed AIDS. Thirteen had passed away. The main mode of transmission of HIV infection in this population is through heterosexual intercourse and the prevalence of STDs is high. These findings indicate a need to advocate responsible sexual behaviour and to detect as well as treat STDs early to prevent the sexual transmission of HIV.

Study site: Dermatology cum Genitourinary Clinic, Hospital Sultanah Aminah Johor Bahru

Matched MeSH terms: Sexually Transmitted Diseases/ethnology; Sexually Transmitted Diseases/epidemiology*
Sexually transmitted diseases in Sabah and Sarawak

Catterall RD

Br J Vener Dis, 1981 Dec;57(6):363-6.
PMID: 6895709

Despite being part of one of the few remaining primitive areas of the world, both Sabah and Sarawak are provided with adequate, though simple, urban and rural general medical services. At present no reliable data on the incidence of sexually transmitted diseases in these areas have been collected and no organised treatment services are available. Gonorrhoea appears to be the commonest notifiable infectious disease in Sarawak, and beta-lactamase-producing strains have been isolated. Because of the rapidly expanding economy and the encouragement of the tourist trade, sexually transmitted disease is likely to prove an increasing problem, for which a specialised service for diagnosis and treatment is badly needed.

Matched MeSH terms: Sexually Transmitted Diseases/epidemiology*; Sexually Transmitted Diseases/transmission
Fulltext Knowledge of sexually transmitted diseases and sexual behaviours among Malaysian male youths

Awang H, Wong LP, Jani R, Low WY

J Biosoc Sci, 2014 Mar;46(2):214-24.
PMID: 23480474 DOI: 10.1017/S0021932013000114

This study examines the knowledge of sexually transmitted diseases (STDs) among male youths in Malaysia. A self-administered survey was carried out on a sample of 952 never-married males aged 15-24 years. The respondents were asked about their knowledge of STDs, how these diseases get transmitted and their sexual behaviours. The data showed that 92% of the respondents knew of at least one STD (syphilis, gonorrhoea, chlamydia, herpes, genital warts, yeast infection, trichomoniasis or HIV/AIDS). About 95% of them knew of at least one method of STD transmission. Urban and tertiary-educated male youths showed a substantially higher proportion of awareness of STDs and transmission methods compared with their rural and less-educated counterparts. The data also indicated that 10% of the study sample admitted to having had sexual experiences. There were still a large proportion of the respondents who were not aware of STDs other than syphilis and HIV/AIDS and the means of transmission, such as multiple sex partners, including those who claimed to be sexually active. Thus there is a need for more concerted efforts to disseminate information on STDs and transmission methods to a wider audience in Malaysia, especially youths in rural areas.

Matched MeSH terms: Sexually Transmitted Diseases/epidemiology; Sexually Transmitted Diseases/transmission*
Fulltext Hide and Seek: The Interplay Between Zika Virus and the Host Immune Response

Lee LJ, Komarasamy TV, Adnan NAA, James W, Rmt Balasubramaniam V

Front Immunol, 2021;12:750365.
PMID: 34745123 DOI: 10.3389/fimmu.2021.750365

Zika virus (ZIKV) received worldwide attention over the past decade when outbreaks of the disease were found to be associated with severe neurological syndromes and congenital abnormalities. Unlike most other flaviviruses, ZIKV can spread through sexual and transplacental transmission, adding to the complexity of Zika pathogenesis and clinical outcomes. In addition, the spread of ZIKV in flavivirus-endemic regions, and the high degree of structural and sequence homology between Zika and its close cousin Dengue have raised questions on the interplay between ZIKV and the pre-existing immunity to other flaviviruses and the potential immunopathogenesis. The Zika epidemic peaked in 2016 and has affected over 80 countries worldwide. The re-emergence of large-scale outbreaks in the future is certainly a possibility. To date, there has been no approved antiviral or vaccine against the ZIKV. Therefore, continuing Zika research and developing an effective antiviral and vaccine is essential to prepare the world for a future Zika epidemic. For this purpose, an in-depth understanding of ZIKV interaction with many different pathways in the human host and how it exploits the host immune response is required. For successful infection, the virus has developed elaborate mechanisms to escape the host response, including blocking host interferon response and shutdown of certain host cell translation. This review provides a summary on the key host factors that facilitate ZIKV entry and replication and the mechanisms by which ZIKV antagonizes antiviral innate immune response and involvement of adaptive immune response leading to immunopathology. We also discuss how ZIKV modulates the host immune response during sexual transmission and pregnancy to induce infection, how the cross-reactive immunity from other flaviviruses impacts ZIKV infection, and provide an update on the current status of ZIKV vaccine development.

Matched MeSH terms: Sexually Transmitted Diseases, Viral/immunology; Sexually Transmitted Diseases, Viral/transmission
Analysis of females with Chlamydia trachomatis infections attending a sexually transmissible infection clinic in Singapore in 2010

Low LC, Tan FL, Chan E, Chio M, Chan R, Sen P

Sex Health, 2013 Nov;10(5):470-1.
PMID: 24074902 DOI: 10.1071/SH13095

BACKGROUND: Chlamydia (Chlamydia trachomatis) is the most commonly diagnosed sexually transmissible infection (STI) in Singapore, with rising incidence.
METHOD: Random sampling was performed on all chlamydia-positive samples collected from female patients who attended a women's clinic from January 2010 to December 2010. Some 250 electronic medical records were analysed. Population demographics, sexual histories, symptoms, diagnostic methods and management were recorded.
RESULTS: One hundred and forty-two (56.8%) patients were under 25 years of age. The predominant race diagnosed with Chlamydia cervicitis were Chinese (116 cases, 46.4%) followed by 86 (34.4%) Malays and 20 (8%) Filipinos. Sixty-three (25.2%) were skilled workers and (47) 18.8% were students. Professionals and office workers together formed 68 (27.2%) of the patients. Some 248 (99.2%) patients were heterosexual and 2 (0.8%) patients were bisexual; 229 (91.6%) patients had regular partners, 18 (7.2%) had casual partners and 3 (1.2%) had both. Concurrency prevalence accounted for 49 cases (19.6%) and condom use was less common. Patients were generally asymptomatic, with 114 (45.5%) presenting with symptoms. One hundred and eight (43.2%) patients had 2-5 sexual partners in their lifetime. Patients with a termination made up 12% of our cohort. This episode of infection was the first diagnosis of an STI for 198 (79.2%) patients; 24 (9.6%) of patients had been previously diagnosed with chlamydia.
CONCLUSION: Chlamydia infection was most prevalent in skilled workers and their regular partners with heterosexual practices under 25 years old. Most patients had 2-5 sexual partners and did not use condoms consistently or at all.

Matched MeSH terms: Sexually Transmitted Diseases/drug therapy*; Sexually Transmitted Diseases/epidemiology*
HIV and sexual health knowledge and sexual experience among Australian-born and overseas-born students in Sydney

Song A, Richters J, Crawford J, Kippax S

J Adolesc Health, 2005 Sep;37(3):243.
PMID: 16109347 DOI: 10.1016/j.jadohealth.2004.08.032

PURPOSE: To examine differences between Australian-born and Asian-born first-year university students in Sydney in their sexual behavior and knowledge about the prevention and transmission of human immunodeficiency virus (HIV) and other sexually transmissible infections (STIs).
METHODS: Students were recruited from a stall during the student Orientation Week in both 2002 and 2003 at the University of New South Wales. A short questionnaire was completed and returned anonymously. Data on age, gender, country of birth, sexual behavior, and sexual health knowledge were collected. A score was calculated based on the sum of the correct answers given to 12 HIV/STI transmission and prevention questions. The students were then divided into three groups according to their country of birth (Australia, Asia, and elsewhere) and their knowledge scores were compared. Students born in certain Asian countries were also asked their perception of the HIV epidemic in their home country compared with Australia.
RESULTS: A total of 1185 first-year students completed the questionnaire. Although older on average, Asian-born students were less likely to have had sexual intercourse and had had fewer sexual partners. They also had consistently poorer HIV/STI knowledge scores than Australian-born students. Students born in China, Hong Kong, Indonesia, Malaysia, and Singapore but not Thailand underestimated the prevalence of HIV in their country of birth in comparison with Australia.
CONCLUSION: The combination of poorer knowledge, apparent misconception of the extent of HIV epidemic in their home country (or Australia), and potential later frequent travel indicates a potential risk for later transmission of HIV/STIs. The university is an underused setting for prevention health education.

Matched MeSH terms: Sexually Transmitted Diseases/prevention & control*; Sexually Transmitted Diseases/transmission
Fulltext Determinants of knowledge on sexually transmitted infections among students in public higher education institutions in Melaka state, Malaysia

Mansor N, Ahmad N, Rahman HA

PLoS One, 2020;15(10):e0240842.
PMID: 33119620 DOI: 10.1371/journal.pone.0240842

INTRODUCTION: The increasing trend of sexually transmitted infections (STIs) among the young population is a significant public health problem. This study aimed to determine the level of knowledge on STIs among students in higher education institutions and its predicting factors, in Melaka.
METHODOLOGY: A cross-sectional study was conducted among 600 students from higher education institutions in Melaka aged between 18 to 30 years old. Multistage sampling of the institutions was performed. Valid and reliable self-administered questionnaire in the national language, Bahasa Malaysia, was used as to collect data on sociodemographic, personal background, knowledge on STIs and sources of information for STIs. Univariate, bivariate and multivariate analyses were conducted using IBM SPSS software version 25.
RESULTS: The response rate for this study was 88%. The mean knowledge score was 24.1 ±5.1 out of 38. HIV was the most known STIs while gonorrhoea, trichomoniasis and chlamydial infections were among the least known STIs. Oral intercourse was the least known sexual activity that could transmit STIs. Higher proportion of respondents had correct knowledge on control and preventive measures of STIs (between 78% and 95%) compared to correct knowledge on sign and symptoms of STIs (between 8.5% and 67.8%). More than 90% of the respondents were unaware that a person infected with STIs could be symptom free. Four variables were identified as the determinants of the knowledge on STIs, which were level of education, place of stay, history of sexual and reproductive health education and involvement in STIs awareness programs (F (4,445) = 11.405, p <0.001, R2 = 0.093).
CONCLUSIONS: The knowledge on STIs among students in higher education institutions was unsatisfactory. The existing sexual education programs can be strengthened by delivering more information on other STIs rather than focusing on HIV only. The future program should focus on students of diploma and/or skill certificate and staying off-campus.

Matched MeSH terms: Sexually Transmitted Diseases/epidemiology*; Sexually Transmitted Diseases/pathology
Development of a Sexually Transmitted Disease Client-friendly Unit at a Primary Care Clinic in Malaysia: Lessons Learnt

Pannir Selvam SB, Khoo EM, Chow SY, Wong PF, Mohsin SS, Abdullah A, et al.

Sex Transm Dis, 2019 02;46(2):143-145.
PMID: 30278029 DOI: 10.1097/OLQ.0000000000000918

Management of sexually transmitted diseases and human immunodeficiency virus is challenging due to the social stigma attached. We describe the development of a client-friendly sexually transmitted disease service in a primary care clinic in Malaysia with a special focus on key populations. Challenges and key lessons learnt from its development and implementation are discussed.

Matched MeSH terms: Sexually Transmitted Diseases/prevention & control*; Sexually Transmitted Diseases/psychology
Patterns of risk behaviour for patients with sexually transmitted diseases and surveillance for human immunodeficiency virus in Kuala Lumpur, Malaysia

Lye MS, Archibald C, Ghazali AA, Low BT, Teoh BH, Sinniah M, et al.

Int J STD AIDS, 1994 Mar-Apr;5(2):124-9.
PMID: 8031914 DOI: 10.1177/095646249400500209

A study was conducted to determine the feasibility of establishing a sentinel human immunodeficiency virus (HIV) surveillance system involving patients with sexually transmitted diseases attending private clinics and a government sexually transmitted disease clinic in Kuala Lumpur, Malaysia. Information on risk behaviours for HIV infection were also collected. A total of 84 female and 91 male patients were interviewed and tested for HIV infection; 41.7% of the women reported working as prostitutes, other occupations included masseuses, hairdressers, waitresses, salesgirls, receptionists, factory workers, and others. The most common diagnosis was gonorrhoea. Other diagnoses included non-specific genital infection, pelvic inflammatory disease, genital herpes and syphilis. 58.3% of the women had a hundred or more sex partners during the previous month; 99% had 6 or more sex partners. Only 4.8% of female patients had their male partners using condoms most of the time, 11.9% hardly used condoms at all. Of the males, 93.3% were heterosexual, while 6.7% were bisexuals, 41.1% had between 6-20 different partners in the previous year. 78.0% of them had prostitutes as their sex partners most of the time. 41.8% had experiences in Thailand and the Philippines. 73.6% never used condoms, while 19.8% only used condoms rarely. Although all patients were tested negative for HIV antibodies, lot quality assurance sampling methods indicate that the upper limits of prevalences for females and males were 3.5% and 3.3% respectively, at a 5% type I error. The study has shown that it is feasible to carry out a sentinel surveillance programme among STD patients and provided useful baseline data for future comparisons.(ABSTRACT TRUNCATED AT 250 WORDS)

Matched MeSH terms: Sexually Transmitted Diseases/etiology*; Sexually Transmitted Diseases/epidemiology*; Sexually Transmitted Diseases/prevention & control
Cerebral syphilis with a description of two interesting cases

Kanagarayer K

Malayan Medical Journal, 1928;3:15-6.

Matched MeSH terms: Sexually Transmitted Diseases
Discussion on prostitution in Singapore

Journal of the Malaya Branch of the British Medical Association, 1941;5:64-9.

Matched MeSH terms: Sexually Transmitted Diseases
Global trends in chemistry research and the challenge for Malaysian scientists: a perspective review

Kumar Das, V.G.

ASM Science Journal, 2013;7(2):173-220.
MyJurnal

Malaysia is currently poised to introduce its Science, Technology and Innovation (STI) Policy and Act to bolster the nation's efforts at economic and social transformation. In championing this initiative, the Academy of Sciences Malaysia, while continuing to advise the Government on STI issues of the day, has made major strides in taking stock of the country's STI strengths in the various sectors of the economy as well as weaknesses that need to be addressed in terms of human capital development. In this article, the author examines the level of research expertise presently in the country in the field of chemistry, and elaborates on the four key areas of energy, catalysis and chemical synthesis, materials science and biological chemistry which will be researched globally in the next few decades that we would also need to be engaged upon to remain competitive. Intended for a wider audience than chemists alone, the descriptive sections in the article by and large belie an interdisciplinary flavour. The article also advocates the need for a more thorough road mapping exercise of the STI efforts in chemistry across the spectrum of academia and industry and makes some recommendations towards forging strong collaborations in research between the universities, public research institutes and the industry which are seen as vital in providing cross-cutting chemical solutions throughout the value chains and to the success of technologies identified as critical to the nation.

Matched MeSH terms: Sexually Transmitted Diseases
An analysis of consultation cases in sexually transmitted diseases to the Department of Dermatology, General Hospital, Kota Bharu, Kelantan

Ganesapillai T

Med J Malaysia, 1977 Sep;32(1):33-6.
PMID: 580306
Matched MeSH terms: Sexually Transmitted Diseases
Fulltext What are the factors associated with human immunodeficiency virus/sexually transmitted infection screening behaviour among heterosexual men patronising entertainment establishments who engaged in casual or paid sex? - Results from a cross-sectional survey in an Asian urban setting

Lim RB, Tham DK, Cheung ON, Tai BC, Chan R, Wong ML

BMC Infect Dis, 2016 12 19;16(1):763.
PMID: 27993135 DOI: 10.1186/s12879-016-2088-8

BACKGROUND: Late presentation of human immunodeficiency virus (HIV) is associated with heterosexual transmission, particularly among heterosexual men in Asia. Although data on HIV/sexually transmitted infection (STI) testing behaviour is increasing, information is still lacking among heterosexual men who receive far lesser attention and are generally invisible in HIV/ STI prevention, particularly in the Asian urban setting. The aim of this study was to assess the prevalence of HIV/STI testing among heterosexual men patronising entertainment establishments (EEs) who engaged in casual or paid sex in Singapore, and the factors associated with this behaviour.

METHODS: This was a cross-sectional survey involving 604 participants using time location sampling between March and May 2015. For multivariable analysis, we used a mixed effects Poisson regression model with backward stepwise approach to account for clustering by venue and to obtain the adjusted prevalence ratio (aPR) for the association of various factors with HIV/STI testing.

RESULTS: Among 604 at-risk participants, only 163 (27.0%) had gone for HIV or STI testing in the past 6 months. Of this, 83.4% of them specifically underwent HIV testing. In multivariable analysis, HIV/STI testing increased with being non-Chinese (aPR 1.50; 95% CI: 1.08-2.06), having engaged in anal sex with casual or paid partner in the past 6 months (aPR 1.80; 95% CI: 1.27-2.57), number of partners in the past 6 months (aPR 1.03; 95% CI: 1.01-1.05) and HIV knowledge score (aPR 1.11; 95% CI: 1.05-1.16). Among those who reported non-consistent condom use with casual or paid partner, almost half of them (47.9%) perceived that they were at low risk for HIV/STI. Sigmatisation and discrimination was another common barrier for non-testing.

CONCLUSIONS: Despite being at risk of HIV/STI, the low prevalence of testing coupled with a high prevalence of risky sexual behaviour among this group of heterosexual men in Singapore calls for a need for HIV/STI prevention interventions in the EE setting. Other than promoting testing and safer sex, the interventions should address the discordance between perceived risk and actual sexual behaviour, in addition to the stigma and discrimination associated with testing for this group.

Matched MeSH terms: Sexually Transmitted Diseases; Sexually Transmitted Diseases/diagnosis; Sexually Transmitted Diseases/epidemiology; Sexually Transmitted Diseases/prevention & control*
Fulltext Federated Malay States

J Trop Med Hyg, 1923;26:332-4.

Matched MeSH terms: Sexually Transmitted Diseases

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