All Stories

  1. A Review of the Impact of Streptococcal Infections and Antimicrobial Resistance on Human Health

    Article • Antibiotics, April 2024, MDPI AG

    Prof. Raina Tzvetanova Gergova

  2. Clostridioides difficile resistance to antibiotics, including post-COVID-19 data

    Article • Expert Review of Clinical Pharmacology, August 2023, Taylor & Francis

    Prof. Raina Tzvetanova Gergova

  3. Molecular Epidemiology of Bulgarian Clinically Significant Staphylococcus aureus Isolates

    Article • Polish Journal of Microbiology, June 2023, Polish Society of Microbiologists

    Prof. Raina Tzvetanova Gergova

  4. Pediatric case of septic arthritis due to Streptococcus pneumoniae serotype 19A

    Article • The Brazilian Journal of Infectious Diseases, March 2023, Elsevier

    Prof. Raina Tzvetanova Gergova

  5. Human ELISA Detects anti-SARS-CoV-2 Antibodies in Cats: Seroprevalence and Risk Factors for Virus Spread in Domestic and Stray Cats in Bulgaria

    Article • Veterinary Sciences, January 2023, MDPI AG

    Prof. Raina Tzvetanova Gergova

  6. Urinary tract infections: Should we think about the anaerobic cocci?

    Article • Anaerobe, October 2022, Elsevier

    Prof. Raina Tzvetanova Gergova

  7. Molecular epidemiology, virulence and antimicrobial resistance of Bulgarian methicillin resistant Staphylococcus aureus isolates

    Article • Acta Microbiologica et Immunologica Hungarica, September 2022, Akademiai Kiado

    Prof. Raina Tzvetanova Gergova

  8. Non-viral infections and antimicrobial resistance in the time of COVID-19: what to expect?

    Article • Expert Review of Clinical Pharmacology, August 2022, Taylor & Francis

    Prof. Raina Tzvetanova Gergova

  9. Gardnerella vaginalis in urinary tract infections, are men spared?

    Article • Anaerobe, December 2021, Elsevier

    Prof. Raina Tzvetanova Gergova

  10. ANTIMICROBIAL EFFECT OF A MEANS FOR ENZYME EXCAVATION (BRIX 3000) AND PHOTODYNAMIC THERAPY IN CARIOUS LESIONS OF PRIMARY TEETH – IN VITRO EXPERIMENT

    Article • Journal of IMAB - Annual Proceeding (Scientific Papers), October 2021, Journal of IMAB

    Prof. Raina Tzvetanova Gergova

  11. INVESTIGATION OF ANTIBACTERIAL ACTIVITY OF ND: YAG - LASER AND STANDARD ENDODONTIC TREATMENT

    Article • Journal of IMAB - Annual Proceeding (Scientific Papers), May 2021, Journal of IMAB

    Prof. Raina Tzvetanova Gergova

  12. Relationship between MLSB resistance and the prevalent virulence genotypes among Bulgarian Staphylococcus aureus isolates

    Article • Acta Microbiologica et Immunologica Hungarica, May 2021, Akademiai Kiado

    Prof. Raina Tzvetanova Gergova

  13. COMPARATIVE STUDY OF ANTIBACTERIAL ACTIVITY OF PHOTOACTIVATED DISINFECTION WITH FOTOSAN AND STANDARD ENDODONTIC TREATMENT

    Article • Journal of IMAB - Annual Proceeding (Scientific Papers), April 2021, Journal of IMAB

    Prof. Raina Tzvetanova Gergova

  14. Emergence of multidrug-resistant and -hypervirulent Streptococcus agalactiae in Bulgarian patients

    Article • Balkan Medical Journal, March 2021, AVES Publishing Co.

    Prof. Raina Tzvetanova Gergova

  15. INVESTIGATION OF ANTIMICROBIAL EFFECT OF PHOTODYNAMIC THERAPY WITH FOTOSAN IN LABORATORY CONDITIONS

    Article • Journal of IMAB - Annual Proceeding (Scientific Papers), September 2020, Journal of IMAB

    Prof. Raina Tzvetanova Gergova

  16. ANTIMICROBIAL RESISTANCE OF BULGARIAN ISOLATES MORAXELLA CATARRHALIS DURING THE PERIOD 1999-2018

    Article • Journal of IMAB - Annual Proceeding (Scientific Papers), June 2020, Journal of IMAB

    Prof. Raina Tzvetanova Gergova

  17. VIRULENCE PROFILE OF BULGARIAN CLINICAL ISOLATES STREPTOCOCCUS AGALACTIAE - PCR DETERMINATION

    Article • Journal of IMAB - Annual Proceeding (Scientific Papers), June 2020, Journal of IMAB

    Prof. Raina Tzvetanova Gergova

  18. Molecular-genetic Method for Fast Direct Detection of Staphylococcus Aureus and Methicillin Resistance in Blood Cultures and Punctures

    Article • Folia Medica, December 2019, Pensoft Publishers

    Prof. Raina Tzvetanova Gergova

  19. Molecular emm typing of Bulgarian macrolide-resistant Streptococcus pyogenes isolates

    Article • Acta Microbiologica et Immunologica Hungarica, December 2019, Akademiai Kiado

    Prof. Raina Tzvetanova Gergova

  20. Relation between emm types and virulence gene profiles among Bulgarian Streptococcus pyogenes clinical isolates

    Article • Infectious Diseases, July 2019, Taylor & Francis

    Prof. Raina Tzvetanova Gergova, Lena Setchanova, Dr Rumyana D Markovska

  21. First report of Enterobacter asburiae isolate, producing NDM-1 and a novel ACT-68 enzyme in Bulgaria

    Article • Infectious Diseases, June 2019, Taylor & Francis

    Dr Rumyana D Markovska, Petya Stankova, Lyudmila Boyanova, Prof. Raina Tzvetanova Gergova

  22. Multicentre investigation of carbapenemase-producing Klebsiella pneumoniae and Escherichia coli in Bulgarian hospitals – Interregional spread of ST11 NDM-1-producing K. pneumoniae

    Article • Infection Genetics and Evolution, April 2019, Elsevier

    Prof. Raina Tzvetanova Gergova

  23. Comparison of Cultural, Immunological and New PCR Techniques for Detection of Streptococcus pyogenes

    Article • October 2018, Prof. Marin Drinov Academic Publishing House

    Prof. Raina Tzvetanova Gergova

  24. Distribution of macrolide resistance mechanisms in Bulgarian clinical isolates of Streptococcus pyogenes during the years of 2013–2016

    Article • Journal of Global Antimicrobial Resistance, September 2017, Elsevier

    Prof. Raina Tzvetanova Gergova

  25. Multiplex PCR detection of problematic pathogens of clinically heterogeneous bacterial vaginosis in Bulgarian women

    Article • TURKISH JOURNAL OF MEDICAL SCIENCES, January 2017, The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS

    Prof. Raina Tzvetanova Gergova

  26. Microbiological Features of Upper Respiratory Tract Infections in Bulgarian Children for the Period 1998-2014

    Article • Balkan Medical Journal, November 2016, AVES Publishing Co.

    Prof. Raina Tzvetanova Gergova

  27. Antimicrobial activity of different disinfection methods against biofilms in root canals

    Article • Journal of Investigative and Clinical Dentistry, January 2015, Wiley

    Assoc. Professor Raina Tzvetanova Gergova, Prof. Raina Tzvetanova Gergova

  28. Gardnerella vaginalis-associated bacterial vaginosis in Bulgarian women

    Article • The Brazilian Journal of Infectious Diseases, May 2013, Elsevier

    Prof. Raina Tzvetanova Gergova

  29. High Prevalence of CTX-M-15-Producing O25b-ST131Escherichia coliClone in Bulgarian Hospitals

    Article • Microbial Drug Resistance, August 2012, Mary Ann Liebert Inc

    Prof. Raina Tzvetanova Gergova

  30. Photodynamic therapy with water-soluble phtalocyanines against bacterial biofilms in teeth root canals

    Article • June 2012, SPIE

    Prof. Raina Tzvetanova Gergova

  31. Distribution of Genes Encoding Virulence Factors ompB2, ompCD, ompE, β-Lactamase and Serotype in Pathogenic and Colonizing Strains of Moraxella catarrhalis

    Article • Archives of Medical Research, October 2010, Elsevier

    Prof. Raina Tzvetanova Gergova

  32. Antimicrobial resistance and production of beta-lactamases in Bulgarian clinical isolatesMoraxella catarrhalis

    Article • Annals of Microbiology, March 2009, Springer Science + Business Media

    Prof. Raina Tzvetanova Gergova

  33. Bactericidal Monoclonal Antibody Against Moraxella catarrhalis Lipooligosaccharide Cross-Reacts with Haemophilus Spp.

    Article • Current Microbiology, January 2007, Springer Science + Business Media

    Prof. Raina Tzvetanova Gergova

  34. Synthesis and β-lactamase inhibitory activity of new 6β-cysteinesulfonamidopenicillanic acids

    Article • Bioorganic & Medicinal Chemistry, December 1999, Elsevier

    Prof. Raina Tzvetanova Gergova

  35. Synthesis, analysis and in vitro antibacterial activity of new metal complexes of sulbactam

    Article • Il Farmaco, December 1998, Elsevier

    Prof. Raina Tzvetanova Gergova