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Objectives: Despite a growing HIV threat, there is no definition and characterisation of key populations (KPs), who could be the major drivers of the epidemic in Turkey. We used programmatic mapping to identify locations where KPs congregate, estimate their numbers and understand their operational dynamics to develop appropriate HIV programme implementation strategies., Methods: Female and transgender sex workers (FSWs and TGSWs), and men who have sex with men (MSM) were studied in İstanbul and Ankara. Within each district, hot spots were identified by interviewing key informants and a crude spot list in each district was developed. The spot validation process was led by KP members who facilitated spot access and interviews of KPs associated with that spot. Final estimates were derived by aggregating the estimated number of KPs at all spots, which was adjusted for the proportion of KPs who visit multiple spots, and for the proportion of KPs who do not visit spots., Results: FSWs were the largest KP identified in İstanbul with an estimate of 30 447 (5.8/1000 women), followed by 15 780 TGSWs (2.9/1000 men) and 11 656 MSM (2.1/1000). The corresponding numbers in Ankara were 9945 FSWs (5.2/1000 women), 1770 TGSWs (1/1000 men) and 5018 MSM (2.5/1000 men). Each KP had unique typologies based on the way they find and interact with sex partners. MSM were mostly hidden and a higher proportion operated through internet and phone-based applications. Night time was the peak time with Friday, Saturday and Sunday being the peak days of activity in both İstanbul and Ankara., Conclusions: This study has highlighted the presence of a substantial number of FSWs, TGSW and MSM in İstanbul and Ankara. The information obtained from this study can be used to set priorities for resource allocation and provide HIV prevention services where coverage could be the highest., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2021. No commercial re-use. See rights and permissions. Published by BMJ.)

The aim of this study was to evaluate the changes in the sexual attitudes of young people in a period of 7 years (1997-2004). The participants in the first and the second surveys were 633 and 654 grade 10 students from six high schools located in the central district of Izmir, Turkey, chosen randomly according to the stratified sampling method. The rate of having had sexual experience was 11.3% and 22.8% in the first and second surveys, respectively (chi(2) P < 0.001).

Objective: To study in vitro activities of three quinolones (ciprofloxacin, levofloxacin, moxifloxacin), four macrolides (erythromycin, dirithromycin, azithromycin, clarithromycin) and doxycycline against 44 clinical isolates of Brucella melitensis., Materials and Methods: Forty-four B. melitensis strains were isolated from blood cultures of adult patients with acute brucellosis who were hospitalized in the clinical ward of the Department of Clinical Microbiology and Infectious Diseases. The minimum inhibitory concentrations (MICs) of the tested antimicrobials were measured by the agar dilution method. MIC90 and MIC50 values were defined as the lowest concentration of the antibiotic at which 90 and 50% of the isolates were inhibited, respectively., Results: Doxycycline (MIC50: 0.25 microg/ml, MIC90: 0.50 microg/ml) had the lowest MIC in vitro against the B. melitensis strains. Among the quinolones, ciprofloxacin and levofloxacin had similar activities (MIC50: 0.5 microg/ml, MIC90: 2 microg/ml), whereas MIC of moxifloxacin (MIC50: 1 microg/ml, MIC90: 8 microg/ml) was higher than both antibiotics in this group. Clarithromycin and azithromycin were the most active macrolides (MIC50: 8 microg/ml and MIC90: 32 microg/ml), followed by erythromycin (MIC50: 16 microg/ml, MIC90: 32 microg/ml) and dirithromycin (MIC50: 64 microg/ml and MIC90: 64 microg/ml)., Conclusion: The results indicate that the conventional agent doxycycline is more active than quinolones and macrolides against the B. melitensis in vitro., (Copyright 2005 S. Karger AG, Basel.)

This survey produced baseline information about student knowledge of sexually transmitted diseases (STDs), their sexual attitudes, and their behavior to help establish control and education programs. The study was conducted at Ege University, Izmir, Turkey, during the 1999-2000 academic year. A total of 2,217 first- and fourth-year students determined by stratified sampling constituted the study group. All students who volunteered to participate completed a questionnaire assessing sociodemographic and knowledge factors, sexual attitudes, behavior, and history of STDs. The rate of students having had sexual experience was 36.6%. Males were more sexually active than females. Most students (71.4%) began sexual activity at ages 15-19 without any difference by gender. Males reported significantly more sexual partners than females. Similarly, the rate of male students never using condoms was significantly higher than females. Condom was the most frequent contraception method, followed by oral contraceptives and withdrawal. Mean score on the knowledge questions was 16.29 (highest score 30). The most widely known STD was HIV infection and AIDS. Students' knowledge of transmission routes, signs and symptoms, and risk groups of STDs was insufficient. Main sources of knowledge were visual and print media, and friends. Most students (84.7%) viewed prevention from STDs as a person's own responsibility. Young people in Turkey are sexually active and tend to engage in high-risk behavior. However, their knowledge on sexual health and sexually transmitted diseases is insufficient. Study results suggest a need for implementation of STD control programs and provision of school sexuality education for adolescents and young adults.

Comamonas testosteroni, a lesser-known member of the genus, has shown little apparent capacity for causing infections in humans. We here present a case of purulent meningitis due to C. testosteroni, which occurred in a patient who had recurrent cholesteatoma. Ceftriaxone treatment was not effective in this patient even though in vitro the bacteria were susceptible to the drug. The patient responded well to meropenem therapy.

Respiratory syncytial virus (RSV) infection was searched for in 65 children between 2 months and 2 years of age hospitalized with the presumptive diagnosis of acute bronchiolitis, and in 35 children aged 6 months to 8 years with upper respiratory tract symptoms, by direct fluorescent antibody (DFA) test and cell culture. RSV infection was detected in 29.2% of the first and in 11.4% of the second group. The overall positivity rate was 23%. The sensitivity and the specificity of the commercially available DFA test in comparison with cell culture were 81.8% and 92.5%, respectively.

Endocervical specimens obtained from 251 registered prostitutes working in a brothel in Izmir, were screened for Chlamydia trachomatis by using a direct fluorescent antibody test. Twenty seven of these specimens were excluded because of inadequate sampling. Of the remaining 224 samples, 57 (25.4%) were found positive for C. trachomatis. It is concluded that, prostitutes play an important role in the transmission of chlamydial and other sexually transmitted diseases, and routine screening and appropriate treatment of chlamydial infections in prostitutes will help to control this disease in the general population.

One hundred two patients with signs and symptoms of conjunctivitis and 45 asymptomatic subjects were screened for Chlamydia trachomatis using a direct fluorescent antibody test. 26.5% of the symptomatic and 6.6% of the asymptomatic patients were positive for C.trachomatis. The follicular response rate was significantly higher (p < 0.05) in the symptomatic group than in the asymptomatic population (48.1% and 29.3% respectively). This finding correlated well with chlamydial conjunctivitis.

Conjunctival scrapings from 24 women found to be positive for genital Chlamydia trachomatis previously and urethral swabs from their sexual partners were obtained and processed with direct fluorescent antibody technique. 8.3% of the conjunctival scrapings and 33.3% of the urethral specimens were found positive for C. trachomatis. None of the female patients had ocular complaints or signs of conjunctivitis and only two of the male subjects had urogenital symptoms.

A total of 160 endocervical specimens collected from 72 symptomatic and 82 asymptomatic women attending a gynecology outpatient clinic were investigated for genital Chlamydia trachomatis infection by the use of tissue culture and DFA test. The infection rate was 42% for symptomatic and 23% for asymptomatic patient groups. The sensitivity rates of the DFA test in the symptomatic and asymptomatic groups were 84% and 75%, while the specificity rates were 89% and 95%, respectively. The DFA test had an overall sensitivity of 80% and specificity of 93%. There was 90% agreement between the two techniques. Therefore, DFA is recommended as an alternative to tissue culture where laboratory facilities are limited and genital chlamydial infections are highly prevalent.

Urogenital Chlamydia trachomatis infections are the most common sexually transmitted diseases which have shown a significant increase in the last few years. This organism presents a major health problem in many countries. It is recognized as the cause of both complicated and uncomplicated infections in men, women and infants passing through an infected birth canal. Tissue culture is accepted as the gold standard in the diagnosis of chlamydial infections. But, since this technique is expensive and cumbersome, antigen detection tests such as DFA and EIA are more widely used. Tetracyclines and erythromycins are the first-choice antimicrobials in the treatment of chlamydial infections.