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Rodrigues R, Vieira-Baptista P, Catalão C, Borrego MJ, Sousa C, Vale N. Chlamydial and Gonococcal Genital Infections: A Narrative Review. J Pers Med 2023; 13:1170. [PMID: 37511783 PMCID: PMC10381338 DOI: 10.3390/jpm13071170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023] Open
Abstract
Sexually transmitted infections (STIs) constitute one of the leading causes of disease burden worldwide, leading to considerable morbidity, mortality, health expenditures, and stigma. Of note are the most common bacterial STIs, chlamydial and gonococcal infections, whose etiological agents are Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG), respectively. Despite being usually asymptomatic, in some cases these infections can be associated with long-term severe complications, such as pelvic inflammatory disease, chronic pelvic pain, infertility, ectopic pregnancy, and increased risk of other STIs acquisition. As the symptoms, when present, are usually similar in both infections, and in most of the cases these infections co-occur, the dual-test strategy, searching for both pathogens, should be preferred. In line with this, herein we focus on the main aspects of CT and NG infections, the clinical symptoms as well as the appropriate state-of-the-art diagnostic tests and treatment. Cost-effective strategies for controlling CT and NG infections worldwide are addressed. The treatment for both infections is based on antibiotics. However, the continuing global rise in the incidence of these infections, concomitantly with the increased risk of antibiotics resistance, leads to difficulties in their control, particularly in the case of NG infections. We also discuss the potential mechanism of tumorigenesis related to CT infections. The molecular bases of CT and NG infections are addressed, as they should provide clues for control or eradication, through the development of new drugs and/or effective vaccines against these pathogens.
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Affiliation(s)
- Rafaela Rodrigues
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- Molecular Diagnostics Laboratory, Unilabs Portugal, Centro Empresarial Lionesa Porto, Rua Lionesa, 4465-671 Leça do Balio, Portugal
| | - Pedro Vieira-Baptista
- Department of Gynecology-Obstetrics and Pediatrics, Faculdade de Medicina da Universidade do Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- Lower Genital Tract Unit, Centro Hospitalar de São João, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Carlos Catalão
- Roche Sistemas de Diagnósticos, Estrada Nacional, 2720-413 Amadora, Portugal
| | - Maria José Borrego
- Laboratório Nacional de Referência das Infeções Sexualmente Transmissíveis, Instituto Nacional de Saúde Dr. Ricardo Jorge, Avenida Padre Cruz, 1649-016 Lisboa, Portugal
| | - Carlos Sousa
- Molecular Diagnostics Laboratory, Unilabs Portugal, Centro Empresarial Lionesa Porto, Rua Lionesa, 4465-671 Leça do Balio, Portugal
| | - Nuno Vale
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- Department of Community Medicine, Health Information and Decision (MEDCIDS), Faculty of Medicine, University of Porto, Rua Doutor Plácido da Costa, 4200-450 Porto, Portugal
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Zarei A, Pourmand MR, Amin Harati F, Zolfaghari P, Dehghan A, Emamie A, Movahedi S. Multilocus VNTR analysis-ompA typing of Chlamydia trachomatis isolates in Tehran, Iran. J Infect Chemother 2023:S1341-321X(23)00098-3. [PMID: 37062413 DOI: 10.1016/j.jiac.2023.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 03/19/2023] [Accepted: 04/13/2023] [Indexed: 04/18/2023]
Abstract
INTRODUCTION This study is the first to describe the genetic diversity of C. trachomatis strains derived from patients with signs and symptoms of genitourinary infections admitted to Tehran health centers and hospitals using the high-resolution genotyping method, multilocus variable-number tandem-repeat analysis with ompA sequencing (MLVA)-ompA. METHODS One hundred and sixty-seven urogenital specimens were collected from October 2019 to July 2020. Specimens were inoculated to cell culture and examined for the presence of C. trachomatis isolates by microscopic valuation. Out of 167 samples, 19 (11.3%) viable C. trachomatis organisms were isolated in cell culture. Eighteen isolates were successfully genotyped by MLVA-ompA analysis. RESULTS The most prevalent ompA genotypes were E, D, F and G, comprising 42%, 26.3% and 21% and 10.5% of isolates, respectively. Other genotypes were not detected from any of the samples. Out of the 18 fully genotyped isolates, 10 different MLVA-ompA genotypes were obtained. The most prevalent MLVA-ompA genotypes were 8.6.1-E (33.3%) and 8.5.2-D (16.6%). Genotype 8.6.1-E was common in both females and males. CONCLUSIONS Our results showed that MLVA-ompA analysis was more discriminatory than ompA typing alone and, therefore, a suitable complement to ompA. Using this method, dominant genotypes in the community and transmission patterns in sexual networks could be identified. The high diversity of C. trachomatis strains in Tehran may be due to the low level of public health and awareness, and future studies are needed.
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Affiliation(s)
- Atefe Zarei
- Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Pourmand
- Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
| | - Farzaneh Amin Harati
- Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Pouria Zolfaghari
- Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Amin Dehghan
- Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Amir Emamie
- Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Shohreh Movahedi
- Department of Obstetrics and Gynecology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Zhang Z, Li F, Deng Y, Li Y, Sheng W, Tian X, Yang Z, Wang S, Guo L, Hao L, Mei X. Trichomonas vaginalis excretory secretory proteins reduce semen quality and male fertility. Acta Trop 2023; 238:106794. [PMID: 36535511 DOI: 10.1016/j.actatropica.2022.106794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/14/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022]
Abstract
Trichomonas vaginalis (T. vaginalis) infection is the most common non-viral sexually transmitted disease (STD) in the world. It can cause male reproductive dysfunction and infertility. However, the pathogenic mechanism is not clear. In this study, the excretory secretory proteins of T. vaginalis (TvESPs) were collected, concentrated, and sterilized. After sperm co-cultured with TvESPs, the survival rate and motility of sperms were analyzed by seminal routine examination, and the results showed that the TvESPs could significantly reduce the survival rate and motility of sperms. Fluorescence staining displayed that TvESPs could destroy the integrity of sperm acrosomes. Flow cytometry indicated that TvESPs induced sperm apoptosis. By mouse in vitro fertilization, we confirmed that TvESPs could significantly reduce the fertilization ability of sperms and negatively affect the development of the fertilized ovum. Via semi-quantitative analysis, we found that the apoptosis-related p27, SMAC, p53, BAX, BCL-2, XIAP, and BCL-W molecules were down-regulated in mouse sperm cells after interaction between the sperms and TvESPs, which played an important role in regulating sperm apoptosis. In conclusion, our study showed that T. vaginalis degraded semen quality and negatively affected male fertility by TvESPs. TvESPs may damage sperms by breaking the balance between sperm pro-apoptotic and anti-apoptotic molecules. This study proves that T. vaginalis infection is a risk factor for infertility.
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Affiliation(s)
- Zhenchao Zhang
- Department of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China; Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China
| | - Fakun Li
- Department of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China; Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China
| | - Yangyang Deng
- The Third Affiliated Hospital Of Xinxiang Medical University, Xinxiang, Henan, 453003, PR China
| | - Yuhua Li
- Department of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China; Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China
| | - Wanxin Sheng
- Department of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China; Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China
| | - Xiaowei Tian
- Department of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China; Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China
| | - Zhenke Yang
- Department of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China; Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China
| | - Shuai Wang
- Department of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China; Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China
| | - Lihua Guo
- Xinxiang Maternity and Child Healthcare Hospital, Xinxiang, Henan, 453003, PR China
| | - Lixia Hao
- Xinxiang Maternity and Child Healthcare Hospital, Xinxiang, Henan, 453003, PR China.
| | - Xuefang Mei
- Department of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China; Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China.
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Zhang Z, Li Y, Lu H, Li D, Zhang R, Xie X, Guo L, Hao L, Tian X, Yang Z, Wang S, Mei X. A systematic review of the correlation between Trichomonas vaginalis infection and infertility. Acta Trop 2022; 236:106693. [PMID: 36116548 DOI: 10.1016/j.actatropica.2022.106693] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/14/2022] [Accepted: 09/14/2022] [Indexed: 11/01/2022]
Abstract
BACKGROUND Trichomonas vaginalis (T. vaginalis) is an extracellular flagellated protozoan parasitizing the human genital and urinary tracts. T. vaginalis infection impacts human reproductive function, but whether it causes infertility is still a matter of debate. METHODS In this work, we consulted 205 relevant articles, which were classified into three categories: epidemiological investigations (100), review articles (43), and research articles (62). RevMan 5.4 was used to conduct a meta-analysis of the articles reporting epidemiological investigations comparing the incidence of T. vaginalis infection between infertile and fertile groups. Review and research articles were used to summarize the pathogenesis of infertility caused by T. vaginalis. RESULTS The results indicated that rate of T. vaginalis infection in the infertile group was significantly higher than that in the fertile group. Moreover, the epidemiological surveys showed that the infertility rates of population infected with T. vaginalis were significantly higher than that of population without T. vaginalis infection. Nine out of ten (90%) related review articles stated that T. vaginalis infection causes infertility, and the review and research articles indicated the main pathogenic mechanisms of infertility caused by T. vaginalis were as follows: T. vaginalis impairs sperm quality, resulting in infertility; the immune response triggered by T. vaginalis infection impacts human reproductive function. CONCLUSION Our results confirm that there is a correlation between T. vaginalis infection and infertility, and T. vaginalis infection can lead to infertility. The study provides a foundation for further investigations into its pathogenesis.
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Affiliation(s)
- Zhenchao Zhang
- Department of Pathogenic Biology, Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Yuhua Li
- Department of Pathogenic Biology, Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Haoran Lu
- Department of Pathogenic Biology, Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Dongxian Li
- Department of Pathogenic Biology, Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Rui Zhang
- Department of Pathogenic Biology, Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Xianghuan Xie
- Department of Pathogenic Biology, Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Lihua Guo
- Xinxiang Maternity and Child Healthcare Hospital, Xinxiang, Henan 453003, China
| | - Lixia Hao
- Xinxiang Maternity and Child Healthcare Hospital, Xinxiang, Henan 453003, China.
| | - Xiaowei Tian
- Department of Pathogenic Biology, Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Zhenke Yang
- Department of Pathogenic Biology, Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Shuai Wang
- Department of Pathogenic Biology, Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Xuefang Mei
- Department of Pathogenic Biology, Xinxiang Key Laboratory of Pathogenic Biology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, China.
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Significant Associations between Chlamydia trachomatis and Neisseria gonorrhoeae Infections in Human Immunodeficiency Virus-Infected Pregnant Women. Infect Dis Obstet Gynecol 2022; 2022:7930567. [PMID: 35754526 PMCID: PMC9232329 DOI: 10.1155/2022/7930567] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 06/07/2022] [Indexed: 11/17/2022] Open
Abstract
There is a lack of data on the burden of Chlamydia trachomatis and Neisseria gonorrhoeae among human immunodeficiency virus- (HIV-) infected pregnant women in South Africa. We conducted a cross-sectional study which included 385 HIV-infected pregnant women attending antenatal clinic at the King Edward VIII Hospital in Durban, South Africa. The women provided vaginal swabs which were tested for C. trachomatis and N. gonorrhoeae. The prevalence of the individual STIs was as follows: C. trachomatis (47/385, 12.2%) and N. gonorrhoeae (16/385, 4.1%). Having a circumcised partner, testing positive for N. gonorrhoeae, and perceiving themselves of being at risk for infection were shown to increase the risk for C. trachomatis infection. Without controlling for the other factors, testing positive for N. gonorrhoeae increased the risk for C. trachomatis infection by 10-fold (OR: 10.17, 95% CI: 3.39-29.66, p < 0.001). Similarly, adjusting for the other factors, the risk for C. trachomatis infection in women who tested positive for N. gonorrhoeae was 9-fold (OR: 9.16, 95% CI: 2.19-40.18, p = 0.003). The following factors were associated with the increased risk of N. gonorrhoeae infection: not knowing their partner's HIV status, partner having other partners, and C. trachomatis infection status. Without controlling for the other factors, testing positive for C. trachomatis increased the risk for N. gonorrhoeae infection by 6-fold (OR: 6.52, 95% CI: 2.22-18.49, p < 0.001). Similarly, adjusting for the other factors, the risk for N. gonorrhoeae infection in women who tested positive for C. trachomatis was 6-fold (OR: 6.09, 95% CI: 1.73-22.03, p = 0.005). We found a significant association between C. trachomatis and N. gonorrhoeae in the pregnant women and the risk factors associated with these pathogens. Future studies are urgently required to investigate the impact of C. trachomatis/N. gonorrhoeae coinfections in HIV pregnant women since this data is lacking in our setting. In addition, etiological screening of C. trachomatis and N. gonorrhoeae during antenatal clinic is urgently required to prevent adverse pregnancy and birth outcomes associated with these infections.
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Zolfaghari P, Emamie AD, Rajabpour M, Zarei A, Whiley DM, Pourmand MR, Pourmand G. Antimicrobial susceptibility testing and molecular characterization of Neisseria gonorrhoeae in Tehran, Iran. Int J STD AIDS 2022; 33:660-665. [PMID: 35485393 DOI: 10.1177/09564624221091746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Gonorrhea is a sexually transmitted infection occurring worldwide. Antimicrobial resistance (AMR) surveillance in Neisseria gonorrhoeae and associated molecular epidemiological studies are crucial to ascertain the spread of antibiotic-resistant and developing the local treatment guidelines. This study was performed to determine the antimicrobial susceptibility testing (AST) and molecular epidemiology of N. gonorrhoeae isolates in Tehran, Iran. During 1 July 2018-30 July 2020, a total of 500 urogenital (468 endocervical, 32 urethral) swabs were collected from patients with signs and symptoms of genitourinary infections presenting to two women's hospitals and one health center located center and south of Tehran. Specimens were cultured and examined for the presence of N. gonorrhoeae isolates by biochemical tests. MIC Test Strip determined the MICs of ceftriaxone, azithromycin, and ciprofloxacin. Neisseria gonorrhoeae multiantigen sequence typing (NG-MAST) was also performed. A total of 38 N. gonorrhoeae isolates were identified. The proportions of resistant N. gonorrhoeae isolates were as follows: ceftriaxone (MIC ≥0.125 μg/mL) 10.5% (4/38), azithromycin (MIC >1 μg/mL) 34% (13/38), and ciprofloxacin (MIC ≥1 μg/mL) 31.5% (12/38). In total, 25 different NG-MAST STs were identified. The STs comprised 1-4 isolates each, and the predominant ST was ST266 (n = 4). Our study demonstrates a diverse gonococcal population with high rates of resistance to azithromycin and evidence of resistance to ceftriaxone. The results have potential implications for antibiotic choice for the gonococcal treatment and highlight the need to broaden gonococcal AMR monitoring in Iran.
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Affiliation(s)
- Pouria Zolfaghari
- Department of Pathobiology, School of Public Health, 48439Tehran University of Medical Sciences, Tehran, Iran
| | - Amir Darb Emamie
- Department of Pathobiology, School of Public Health, 48439Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammadreza Rajabpour
- Department of Pathobiology, School of Public Health, 48439Tehran University of Medical Sciences, Tehran, Iran
| | - Atefe Zarei
- Department of Pathobiology, School of Public Health, 48439Tehran University of Medical Sciences, Tehran, Iran
| | - David M Whiley
- Faculty of Medicine, Centre for Clinical Research, 1974The University of Queensland, Herston, QLD, Australia
| | - Mohammad Reza Pourmand
- Department of Pathobiology, School of Public Health, 48439Tehran University of Medical Sciences, Tehran, Iran
| | - Gholamreza Pourmand
- Uro-Oncology Research Center, 48439Tehran University of Medical Sciences, Tehran, Iran
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Venneri MA, Franceschini E, Sciarra F, Rosato E, D'Ettorre G, Lenzi A. Human genital tracts microbiota: dysbiosis crucial for infertility. J Endocrinol Invest 2022; 45:1151-1160. [PMID: 35113404 PMCID: PMC9098539 DOI: 10.1007/s40618-022-01752-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 01/18/2022] [Indexed: 01/12/2023]
Abstract
Human body is colonized by trillions of microbes, influenced by several factors, both endogenous, as hormones and circadian regulation, and exogenous as, life-style habits and nutrition. The alteration of such factors can lead to microbial dysbiosis, a phenomenon which, in turn, represents a risk factor in many different pathologies including cancer, diabetes, autoimmune and cardiovascular disease, and infertility. Female microbiota dysbiosis (vaginal, endometrial, placental) and male microbiota dysbiosis (seminal fluid) can influence the fertility, determining a detrimental impact on various conditions, as pre-term birth, neonatal illnesses, and macroscopic sperm parameters impairments. Furthermore, unprotected sexual intercourse creates a bacterial exchange between partners, and, in addition, each partner can influence the microbiota composition of partner's reproductive tracts. This comprehensive overview of the effects of bacterial dysbiosis in both sexes and how partners might influence each other will allow for better personalization of infertility management.
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Affiliation(s)
- M A Venneri
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy.
| | - E Franceschini
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - F Sciarra
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - E Rosato
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - G D'Ettorre
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - A Lenzi
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy.
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