• Screening initiatives undertaken in Sweden showed a steep decrease in prevalence of chlamydial infections followed by decreasing incidence of reported PID and ectopic pregnancy. (bmj.com)
  • In 1985, CDC published Policy Guidelines for Prevention and Control of Chlamydia trachomatis infections (1). (cdc.gov)
  • Those guidelines highlighted the prevalence and morbidity of chlamydial infections and stressed the need to include antibiotics effective against chlamydia when treating patients for urethritis, mucopurulent cervicitis, and pelvic inflammatory disease. (cdc.gov)
  • Because chlamydial infections are common among adolescents and young adults throughout the United States, health-care providers and other agencies serving these groups should become more involved if a sufficiently large proportion of the chlamydia-infected population is to be reached. (cdc.gov)
  • Chlamydia trachomatis infections are common in sexually active adolescents and young adults in the United States (CDC, unpublished review). (cdc.gov)
  • Prevalence of asymptomatic infections of Chlamydia psittaci in psittacine birds in Korea. (bvsalud.org)
  • Asymptomatic infections of Chlamydia have commonly been reported in various birds worldwide. (bvsalud.org)
  • There were no significant differences in the prevalence of asymptomatic infections in birds among three types of housing environments . (bvsalud.org)
  • Overall findings showed high prevalence of asymptomatic infections of C. psittaci in psittacine birds in Korea , posing a significant hazard to public health . (bvsalud.org)
  • Chlamydia infections have been reported to cause silent infections in communities which becomes endemic and could remain unnoticed for a very long time . (bvsalud.org)
  • Doxycycline, a well-absorbed tetracycline derivative, is the second drug of choice for genital chlamydia infections. (medscape.com)
  • Chlamydia is the most commonly reported notifiable infection in the US, which means it's the most prevalent of all the sexually transmitted infections. (cdc.gov)
  • However, there is substantial interest at NIH, WHO, and CDC supporting the development of research activity that could lead to an effective vaccine for chlamydia and other sexually transmitted infections. (cdc.gov)
  • Sexually transmitted infections caused by Chlamydia trachomatis may lead to pelvic inflammatory disease, ectopic pregnancy, infertility, and chronic pelvic pain in women. (cdc.gov)
  • Chlamydia trachomatis (CT) is a common cause of sexually transmitted infections (STI) and a prevalent microorganism found in the vaginal discharge of sexually active women. (ijfs.ir)
  • Chlamydia infection is quite frequent in our society, where knowledge about STD infections is scant. (ijfs.ir)
  • At the end of April 2019, Public Health England (PHE) was alerted, via an international Epidemic Intelligence System-Sexually Transmitted Infections (EPIS-STI) post from Finland, of false-negative Chlamydia trachomatis (CT) test results using the Aptima Combo 2 (AC2) assay (Hologic Inc., San Diego, California, United States (US)), a nucleic acid amplification test (NAAT) for CT (target: 23S rRNA) and Neisseria gonorrhoeae (GC) (target: 16S rRNA). (uea.ac.uk)
  • Chlamydia Disease is one of the most prevalence sexually transmitted infections. (yahoo.com)
  • Prevalence of sexually transmitted infections across space and time. (medicaldaily.com)
  • As most genital chlamydia infections are asymptomatic, screening is the main way to detect and cases for treatment. (biomedcentral.com)
  • Prevalence and persistence of Chlamydia trachomatis-specific antibodies after occasional and recurrent infections. (ppshp.fi)
  • Chlamydia Infections" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (harvard.edu)
  • Infections with bacteria of the genus CHLAMYDIA. (harvard.edu)
  • This graph shows the total number of publications written about "Chlamydia Infections" by people in Harvard Catalyst Profiles by year, and whether "Chlamydia Infections" was a major or minor topic of these publication. (harvard.edu)
  • Below are the most recent publications written about "Chlamydia Infections" by people in Profiles. (harvard.edu)
  • Batteiger BE, Tan M. Chlamydia trachomatis (trachoma and urogenital infections). (medlineplus.gov)
  • This study determined the proportional contribution and trend in chlamydia and gonorrhoea diagnoses from general practices (GPs) relative to other services, and whether these infections were treated appropriately. (bmj.com)
  • Chlamydia and gonorrhea are the two most commonly reported sexually transmitted infections in the United States and infect up to 100,000 and 13,200 pregnant women, respectively, each year. (questdiagnostics.com)
  • We were alarmed to find that so many pregnant women in our very large, nationally representative study were not screened for chlamydia and gonorrhea, given the prevalence of these infections and the significant risks they pose for maternal and neonatal health if untreated," said Jay M. Lieberman, M.D., medical director, infectious diseases, Quest Diagnostics. (questdiagnostics.com)
  • Testing for chlamydia and gonorrhea is simple and treatment is easy and highly effective, but if you do not screen these women, the infections can go undiagnosed and untreated. (questdiagnostics.com)
  • Reduce the proportion of adolescents and young adults with Chlamydia trachomatis infections. (cdc.gov)
  • Representing one of a series of NCCID evidence reviews on partner notification for sexually transmitted and blood borne infections, this component will also distinguish issues particular to PN for Chlamydia, to the extent that the literature allows. (nccid.ca)
  • Repeat Chlamydia infections in females are common (20-30%) (Hosenfeld et al. (nccid.ca)
  • Successful management of Chlamydia relies on timely identification, diagnosis and treatment of infections (5). (nccid.ca)
  • Chlamydia and Mycoplasmal Mucosal Infections Sexually transmitted urethritis, cervicitis, proctitis, and pharyngitis (that are not due to gonorrhea) are caused predominantly by chlamydiae and less frequently by mycoplasmas. (msdmanuals.com)
  • CDC's analyses included eight common STIs, four of which are easily treated and cured if diagnosed early: chlamydia, gonorrhea, syphilis, and trichomoniasis. (cdc.gov)
  • Data on chlamydia, gonorrhea, and syphilis were new to the 2003 revision of the birth certificate, and with all jurisdictions using the 2003 birth certificate revision starting in 2016, we decided to look at trends and rates of these STIs by selected characteristics. (cdc.gov)
  • The rates for the three maternal STIs studied increased 2% (chlamydia), 16% (gonorrhea), and 34% (syphilis), from 2016 through 2018. (cdc.gov)
  • In 2018, rates of chlamydia and gonorrhea decreased with advancing maternal age whereas those for syphilis by maternal age decreased with age through 30-34 years and then increased for women aged 35 and older. (cdc.gov)
  • The rates for chlamydia, gonorrhea, and syphilis increased from 2016 through 2018. (cdc.gov)
  • Female sex workers are far more likely to be infected with syphilis than people in the general population ( 2 ), around 15 countries reported more than 5% prevalence of syphilis in the female sex workers worldwide ( 3 ). (frontiersin.org)
  • The prevalence of syphilis in Australia is higher among men who have sex with men and non‐urban Aboriginal and Torres Strait Islander people. (mja.com.au)
  • Young people living in remote Aboriginal communities, especially those aged 15-29 years, have high rates of STIs such as chlamydia, gonorrhoea and syphilis. (theconversation.com)
  • This compares to prevalence rates of around 3% for chlamydia and way less than 1% for gonorrhoea and syphilis among heterosexual non-Aboriginal people of the same age, living in urban areas of Australia. (theconversation.com)
  • The reported rates of chlamydia are highest among adolescents and young adults aged 15 to 24 years. (cdc.gov)
  • PHAC surveillance data show steadily rising rates of Chlamydia since 1997 (1). (nccid.ca)
  • some reflecting concern over increasing rates of Chlamydia. (nccid.ca)
  • Corresponding new incident cases in women and men in 2016 totalled 60 334 (36 147 to 121 933) and 76 893 (35 639 to 254 913) for gonorrhoea and 131 306 (84 232 to 254 316) and 148 162 (71 885 to 462 588) for chlamydia. (who.int)
  • Gonorrhoea and chlamydia prevalence declined by an estimated 33% and 11%, respectively from 2001 to 2016. (who.int)
  • In 2015 and 2016, Dr. Clifton spearheaded efforts to obtain funding for screening of Chlamydia ad Gonorrhea in the Juvenile Justice Services (JJS) setting. (utah.edu)
  • In 2016, the rate of chlamydia notifications among Aboriginal people aged 15 to 29 was 4,602 per 100,000 - compared with 1,479 per 100,000 for their non-Indigenous peers. (theconversation.com)
  • Rectal chlamydia - should screening be recommended in women? (nih.gov)
  • In this study, we evaluated rectal Chlamydia trachomatis testing in relation to symptoms and sexual habits in women and men who have sex with men. (nih.gov)
  • Rectal Chlamydia trachomatis prevalence was 9.1% in women and 0.9% in men who have sex with men. (nih.gov)
  • We suggest that rectal sampling should be considered in women visiting sexually transmitted infection clinics regardless of rectal symptoms and irrespective of anal intercourse, since our data suggest that several cases of rectal Chlamydia trachomatis otherwise would be missed, thus enabling further disease transmission. (nih.gov)
  • Adolescents and young adults are at substantial risk of becoming infected with chlamydia. (cdc.gov)
  • A total of 402 women who referred for routine pap smears to randomly selected health centers in Shiraz were tested with the IMAGEN Chlamydia test, a direct immunofluorescence test for the detection of Chlamydia in human urogenital specimens. (ijfs.ir)
  • Objective: To estimate Mongolia's prevalence and incidence trends of gonorrhoea and chlamydia in women and men 15-49 years old to inform control of STIs and HIV, a national health sector priority. (who.int)
  • However, there have been limited studies on the prevalence and characteristics of women with STIs during pregnancy. (cdc.gov)
  • What is different between non-Aboriginal and Aboriginal people living in remote areas is the underlying prevalence of STIs in the latter communities. (theconversation.com)
  • Although increased rates have been seen in other reported STIs, some distinct epidemiological features of Chlamydia are important to consider. (nccid.ca)
  • Prevalence has been highest ( greater than 10%) among sexually active, adolescent females (CDC, unpublished review). (cdc.gov)
  • Disparities among Canadians were evident, with females having nearly twice the rate of reported Chlamydia as males, young adults (aged 20-24) seeing the highest rates, and regional patterns showing excessive risks among residents of the territories. (nccid.ca)
  • Chlamydia screening programmes have been considered but policy recommendations are hampered by the lack of population based data. (bmj.com)
  • This paper describes the prevalence of Chlamydia in 15-29 year old women and men in rural and urban areas, as determined through systematic population based screening organised by the Municipal Public Health Services (MHS), and discusses the implications of this screening strategy for routine implementation. (bmj.com)
  • This large, population based study found very low prevalence in rural populations, suggesting that nationwide systematic screening is not indicated in the Netherlands and that targeted approaches are a better option. (bmj.com)
  • Until recently, chlamydia prevention and patient care were impeded by the lack of suitable laboratory tests for screening and diagnosis. (cdc.gov)
  • Proper screening of patients to include Chlamydia should be encouraged at all levels of medical diagnosis in the country so as to proffer treatment . (bvsalud.org)
  • They assessed vaccination of 14-year-old girls and catch-up vaccination for 15 to 24-year-old women in the context of an existing chlamydia screening program. (cdc.gov)
  • We explored the potential cost and effectiveness of a chlamydia vaccination program, together with chlamydia screening, in young women. (cdc.gov)
  • Objective: To measure the coverage and uptake of systematic postal screening for genital Chlamydia trachomatis and the prevalence of infection in the general population in the United Kingdom. (ox.ac.uk)
  • Results: Coverage of chlamydia screening was 73% and was lower in areas with a higher proportion of non-white residents. (ox.ac.uk)
  • Prevalence was higher in the subgroup of younger women who were harder to engage in screening. (ox.ac.uk)
  • Conclusions: Postal chlamydia screening was feasible, but coverage was incomplete and uptake was modest. (ox.ac.uk)
  • We undertook a systematic review of studies assessing the efficacy of interventions for increasing the uptake of chlamydia screening in primary care. (biomedcentral.com)
  • We reviewed studies which compared chlamydia screening in the presence and the absence of an intervention. (biomedcentral.com)
  • Interventions that promoted the universal offer of a chlamydia test in young people had the greatest impact on increasing screening in primary care. (biomedcentral.com)
  • A systematic review in 2006 by Ginige et al identified four published trials of interventions to increase chlamydia screening in primary care and found that educational packages targeting primary care physicians, and the elimination of barriers to screening within clinic systems were effective at increasing screening[ 10 ]. (biomedcentral.com)
  • Since then, a number of new publications have reported on the evaluation of interventions to increase chlamydia screening in primary care clinics among patients attending for routine consultations. (biomedcentral.com)
  • A publication was considered for inclusion if it reported on the evaluation of an intervention to increase chlamydia screening rates in a primary care clinic, through a comparison with chlamydia screening rates (proportion of patients screened within a given time period) in a control group or control time period. (biomedcentral.com)
  • Costs, Health Benefits, and Cost-Effectiveness of Chlamydia Screening and Partner Notification in the United States, 2000-2019: A Mathematical Modeling Analysis. (harvard.edu)
  • During the study period, the U.S. Centers for Disease Control and Prevention (CDC) recommended chlamydia screening for all pregnant women and gonorrhea screening for all high-risk pregnant women, which includes women 24 years of age or younger. (questdiagnostics.com)
  • Chlamydia trachomatis (Chlamydia) is the most prevalent sexually transmitted bacterial infection and can cause considerable reproductive morbidity in women. (bmj.com)
  • Chlamydia ( Chlamydia trachomatis ) is the most prevalent sexually transmitted bacterial infection. (bmj.com)
  • Chlamydia trachomatis is the most common bacterial sexually transmitted infection in Europe and has large impacts on patients' physical and emotional health. (nih.gov)
  • Chlamydia trachomatis (CT) is the most prevalent sexually transmitted bacterial infection, affecting mainly young, sexually active women. (ufrgs.br)
  • only a minority of chlamydia episodes were reported as male urethral discharge cases. (who.int)
  • Discussion: Gonorrhoea and chlamydia prevalence are estimated to have declined in Mongolia during the early 2000s, possibly associated with syndromic management in primary care facilities and improving treatment coverage since 2001 and scale up of HIV/STI prevention interventions since 2003. (who.int)
  • However, prevalence remains high with most gonorrhoea and chlamydia cases not treated or recorded in the public health system. (who.int)
  • Among 16- to 19-year-olds in remote communities, prevalence has been estimated at 13% for chlamydia and 12% for gonorrhoea. (theconversation.com)
  • Objectives To determine the relative contribution of general practices (GPs) to the diagnosis of chlamydia and gonorrhoea in England and whether treatment complied with national guidelines. (bmj.com)
  • Participants Patients diagnosed with chlamydia (n=1 386 169) and gonorrhoea (n=232 720) at CPRD GPs, and community and specialist STI Services from 2000-2011. (bmj.com)
  • Over the study period, GPs diagnosed between 9% and 16% of chlamydia cases and between 6% and 9% of gonorrhoea cases in England. (bmj.com)
  • While most patients diagnosed with chlamydia were managed appropriately, many of those treated for gonorrhoea received antimicrobials no longer recommended for use. (bmj.com)
  • Diagnoses of chlamydia and gonorrhoea made outside GP, and made outside community and specialist services that routinely report to national surveillance systems, could not be included in our analysis, but it is likely that the great majority of diagnoses were captured. (bmj.com)
  • Nucleic acid amplification testing of a first-catch urine specimen is the most sensitive test (in a male) for gonorrhea or chlamydia. (medscape.com)
  • and measure the prevalence of Chlamydia trachomatis infection, via the collection and analysis of urine samples. (lshtm.ac.uk)
  • There is a high prevalence of CT IgG antibody in Brazilian pregnant and infertile women, but we found a low prevalence of positive PCR in the urine samples. (ufrgs.br)
  • Today I'm talking with Dr. Kwame Owusu-Edusei about his co-authored article, Cost-effectiveness of Chlamydia Vaccination Programs for Young Women. (cdc.gov)
  • Additionally, the prevalence of chlamydia, followed by the cost of vaccination, duration of vaccine- conferred immunity and vaccine efficacy had the most impact on the cost-effectiveness measure. (cdc.gov)
  • In this study, we investigated the distribution of Chlamydia species in healthy psittacine birds in Korea . (bvsalud.org)
  • The positive sera were further confirmed by distinguishing the species of Chlamydia using the monoclonal antibody spot test kit. (bvsalud.org)
  • Chlamydia pecorum, also known as Chlamydophila pecorum is a species of Chlamydiaceae that originated from ruminants, such as cattle, sheep and goats. (wikipedia.org)
  • A total of 1061 small ruminants were sampled and the sera obtained were analysed using the indirect multi-species ELISA test for toxoplasmosis and abortive chlamydia at the national veterinary laboratory. (researchsquare.com)
  • Serum samples were obtained from the cats by jugular venepuncture, and stored at -20°C until tested for antibodies against C. felis using IFI (Bion® Chlamydia -G Antibody Test System, Bion Enterprises, USA) with goat-anti-cat IgG conjugated with fluorescein isothiocyanate (FITC-Sigma, USA). (vin.com)
  • We found statistically similar prevalence of PCR and IgG antibodies between the groups. (ufrgs.br)
  • There was a 61% prevalence of CT IgG antibodies in infertile women and 56.7% in pregnant women. (ufrgs.br)
  • Prevalence and incidence estimates were then used to assess completeness of national case reporting. (who.int)
  • Here we report results from an investigation coordinated by a multiagency incident management team (IMT) to ascertain the prevalence of new variants of Chlamydia trachomatis escaping detection by the Aptima Combo 2 assay in England. (uea.ac.uk)
  • Conducted by scientists at Quest Diagnostics (NYSE: DGX) and Rutgers University , the study is believed to be the largest nationally representative retrospective study of chlamydia and gonorrhea testing. (questdiagnostics.com)
  • At present there are no reliable estimates on the prevalence of chlamydial and gonococcal infection in the general population of the United States. (cdc.gov)
  • NHANES offers an opportunity to assess the prevalence of chlamydia and gonococcal infection in the general population and to monitor trends in prevalence as prevention programs are established and expanded. (cdc.gov)
  • The prevalence of chlamydial infection also has been higher among those patients who live in inner cities, have a lower socioeconomic status, or are black (5-11). (cdc.gov)
  • Five hundred and sixty five blood samples and ten umbilical cord fluids were collected from various patients attending clinics in South Eastern Nigeria and were screened for Chlamydia Complement Fixing Antibody (CCFA). (bvsalud.org)
  • Prevalence and genotyping of Chlamydia trachomatis in symptomatic male patients from Istanbul, Turkey. (uni-koeln.de)
  • Overall prevalence was 2.0% (95% CI 1.7 to 2.3): 2.5% (95% CI 2.0 to 3.0%) in women and 1.5% (95% CI 1.1 to 1.8) in men. (bmj.com)
  • The Prevalence of Chlamydia trachomatis Infection in Women Attending Health Clinics in Shiraz, Islamic Republic of Iran', International Journal of Fertility and Sterility , 4(3), pp. 128-133. (ijfs.ir)
  • Symptoms of chlamydia include painful urination, abnormal discharge, pain during intercourse in women, and abnormal bleeding in women. (baptist-health.com)
  • In this study we tried to determine the factual prevalence of Chlamydia trachomatis seropositive women. (karger.com)
  • Discrete Plasma Cytokine Profiles Among Pregnant Women in Botswana by Chlamydia trachomatis Infection, Human Immunodeficiency Virus Status, and Gestational Age. (harvard.edu)
  • The aim of this study was to determine CT prevalence in infertile and pregnant women. (ufrgs.br)
  • MADISON, N.J., May 23, 2012 /PRNewswire/ -- Many women are not screened for chlamydia and gonorrhea infection during their pregnancy, and follow-up testing is not always performed as medically recommended for those who test positive for chlamydia, according to a study published online in the American Journal of Obstetrics and Gynecology (AJOG). (questdiagnostics.com)
  • Despite these national recommendations, the study found that only 59% and 57% of pregnant women were tested at least once for chlamydia and gonorrhea, respectively. (questdiagnostics.com)
  • According to CDC guidelines, women who test positive for chlamydia should be re-tested three weeks after therapy to monitor treatment effectiveness. (questdiagnostics.com)
  • Because of their heightened risk, the CDC recommends that women 25 years of age and younger be re-tested for chlamydia during the third trimester, even if an initial screen was negative. (questdiagnostics.com)
  • Yet, only 33% of women who tested positive for chlamydia on an initial screen were re-tested within six weeks of being diagnosed, and 22% had no follow-up testing. (questdiagnostics.com)
  • Among women 25 years of age or younger, only one in five (19%) were re-tested after a negative chlamydia screen. (questdiagnostics.com)
  • The study also found that among women who tested positive on an initial screen, 6.0% and 3.8% were positive on their last prenatal test for chlamydia and gonorrhea infection, respectively. (questdiagnostics.com)
  • 2000 objective 19.2, which tracked total cases of Chlamydia in women under age 25 years who attended family planning clinics. (cdc.gov)
  • Chlamydia represents a risk for serious, long-term complications, disproportionately affecting women (e.g. (nccid.ca)
  • Chlamydiaceae and Chlamydia-like organisms in the koala (Phascolarctos cinereus)--organ distribution and histopathological findings" (PDF). (wikipedia.org)
  • We conclude that the currently used IPA method for chlamydia diagnosis overestimates C. trachomatis infection and its specificity for the diagnosis of C. trachomatis is limited. (karger.com)
  • In 2010, the number of laboratory confirmed cases of Chlamydia reached 94,690, which is equivalent to an annual incidence of 277.6 cases/100,000 population (1). (nccid.ca)
  • Chlamydia psittaci is the primary agent of the disease . (bvsalud.org)
  • Chlamydia avium and Chlamydia gallinacea have also been recognized as potential causative agents of the disease . (bvsalud.org)
  • Superdrug Online Doctor combined data from the Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO) to create a comprehensive look at STD prevalence across space and time. (medicaldaily.com)
  • Chlamydia is the most commonly reported sexually transmitted infection (STI) in Canada and is recognized as an important public health concern. (nccid.ca)
  • Discrepant results between the AC2 assay and the Aptima Chlamydia trachomatis assay (ACT) (target: 16S rRNA) were reported to have occurred primarily in specimens that had AC2 relative light units (RLU) from 20 to 84 [1]. (uea.ac.uk)
  • The main reason for our study was to help advance the discussion surrounding the development of a successful chlamydia vaccine in the context of existing chlamydia preventive service guidelines. (cdc.gov)
  • Our study suggests that a successful chlamydia vaccine can have substantial impact on the prevalence of the infection. (cdc.gov)
  • Frequent testing and treatment of infection does not reduce the prevalence of Chlamydia in urban teenage girls, according to a long term study by. (indianapolisrecorder.com)
  • The objectives of this study were to determine the seroprevalence and highlight the risk factors associated with Toxoplasma gondii and Chlamydia abortus infection in small ruminants in Cameroon. (researchsquare.com)
  • To date, no study has reported the seroprevalence of Toxoplasma gondii and Chlamydia abortus in small ruminants in Cameroon. (researchsquare.com)
  • Highest prevalence of chlamydial infection has been reported to be between 5 weeks and 6 months in on study (Sykes et al . (vin.com)
  • This systematic review study is carried out to assess the prevalence, determinants, and risk factors of HIV/AIDS in Pacific countries. (scirp.org)
  • To facilitate such collaborations, this document outlines the elements of a chlamydia prevention program. (cdc.gov)
  • These recommendations were developed by CDC after consultation with experts attending a chlamydia prevention workshop held in Atlanta, Georgia, March 26-28, 1991. (cdc.gov)