Research Interest: Epigenetic regulation of virus or autoimmune diseases on host immune cells such as Treg, Th17 and innate lymphoid cells (ILCs).

Research Interest: Oncology, Immunology and Hematopoiesis.

Since July 2008, assistant in the Department of Epidemiology, MU- Plovdiv

From April 2020 epidemiologist at the Hygiene and Epidemiology Department, University Hospital "St. George" EAD

From September 2022 Acting Head of the Hygiene and Epidemiological Department, University Hospital "St. George" EAD

On 27.12.2020 applied the first vaccine in the history of the vaccination campaign against COVID-19 in Plovdiv

In 2021, she was part of the Ministry of Education and Culture of the Republic of Bulgaria campaign to educate teachers about vaccines against COVID-19.

In 2021-2022 advises on vaccines againstCOVID-19 on the National Patient Helpline toll-free Organization.

2021-2022 cooperates with the foundation "For our children"

2021-2023 participated in expert meetings on epidemiology at the Ministry of Health of the Republic of Bulgaria.

In 2022,  she was part of a working group at the Council of Ministers- Republic of Bulgaria.

Member of:

International epidemiological association (IEA) Bacti Vac Network. Bulgarian Scientific Society for Epidemiology of Infectious and Non-Infectious Diseases Bulgarian Association of Preventive Medicine. The South Bulgarian Society of Infectious Diseases, Epidemiology and Parasitology. Bulgarian Association for Prevention and Infection Control.

Research Interests:

Vaccines, vaccinology, infectious diseases, emerging diseases, epidemics, pandemics, COVID-19, varicella, shingles, measles.

List of Publications:

1. Tomov L, Chervenkov L, Miteva DG, Batselova H, Velikova T. Applications of time series analysis in epidemiology: Literature review and our experience during COVID-19 pandemic. World J Clin Cases. 2023 Oct 16;11(29):6974-6983. doi: 10.12998/wjcc.v11.i29.6974. PMID: 37946767; PMCID: PMC10631421.
   
2. Mileva N, Vasilev GH, Ganev B, Chervenkov L, Batselova H, Tzotcheva I, Tomov L, Velikova T, Lazova S. Cardiovascular Manifestations of Multisystem Inflammatory Syndrome in Children: A Single-Center Bulgarian Study. Medicina (Kaunas). 2023 Dec 14;59(12):2175. doi: 10.3390/medicina59122175. PMID: 38138278; PMCID: PMC10744581.
3. Dimitrov, G., Valkov, T., Batselova, H., Kounchev, O., Momekov, G., Argirova, R. Nationwide analysis of the impact of COVID-19 in patients with a cardiovascular, oncological or chronic pulmonary disease in the context of an Eastern European country with a low vaccination rate, Bulgaria: March 2020-April 2022 (2023) BMJ Open, 13 (8), art. no. e068431,
4. Miteva, D., Kitanova, M., Batselova, H., Lazova, S., Chervenkov, L., Peshevska-Sekulovska, M., Sekulovski, M., Gulinac, M., Vasilev, G.V., Tomov, L., Velikova, T. The End or a New Era of Development of SARS-CoV-2 Virus: Genetic Variants Responsible for Severe COVID-19 and Clinical Efficacy of the Most Commonly Used Vaccines in Clinical Practice (2023) Vaccines, 11 (7), art. no. 1181.
5. Ivanov N, Krastev B, Miteva DG, Batselova H, Alexandrova R, Velikova T. Effectiveness and safety of COVID-19 vaccines in patients with oncological diseases: State-of-the-art. World J Clin Oncol. 2023 Sep 24;14(9):343-356
6. Tomov, L., Batselova, H., Lazova, S., Ganev, B., Tzocheva, I., Velikova, T. Role of children in the Bulgarian COVID-19 epidemic: A mathematical model study (2023) World Journal of Experimental Medicine, 13 (3), pp. 28-46.
7.  Sekulovski, M. Mileva, N. Vasilev, G.V. Miteva, D. Gulinac, M. Peshevska-Sekulovska, M. Chervenkov, L. Batselova, H. Vasilev, G.H.; Tomov, L.; et al. Blood Coagulation and Thrombotic Disorders following SARS-CoV-2 Infection and COVID-19 Vaccination. Biomedicines 2023, 11, 2813.
8. Slabakova, Y.; Gerasoudis, S.; Miteva, D.; Peshevska-Sekulovska, M.; Batselova, H.; Snegarova, V.; Vasilev, G.V.; Vasilev, G.H.; Sekulovski, M.; Lazova, S.; et al. SARS-CoV-2 Variant-Specific Gastrointestinal Symptoms of COVID-19: 2023 Update. Gastroenterol. Insights 2023, 14, 431-445. https://doi.org/10.3390/gastroent14040032 .
9. Tomov, L.P., Batselova, H., Velikova, T.Changes in Patterns of Infectivity and Mortality with SARS-CoV-2 Omicron Variant in Bulgaria.Computer Science and Education in Computer Science. CSECS 2023. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 514. Springer, Cham. https://doi.org/10.1007/978-3-031-44668-9_15.
10. Tomov, L.P., Batselova, H.M., Velikova, T.V. COVID-19 Delta Wave Caused Early Overburden of Hospital Capacity in the Bulgarian Healthcare System in 2021 (2022) Healthcare (Switzerland), 10 (4), art. no. 600.
11. Tomov, L., Batselova, H., Velikova, T.V. Estimating COVID Case Fatality Rate in Bulgaria for 2020–2021(2022) Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST, 450 LNICST, pp. 102-115.
12. Snegarova V, Miteva D, Gulinac M, Peshevska-Sekulovska M, Batselova H, Velikova T. COVID-19 inpatients with gastrointestinal stromal tumors: Recommendations for management and vaccination. World J Gastrointest Pathophysiol 2022; 13(5): 170-177
13. Vasilev G, Kabakchieva P, Miteva D, Batselova H, Velikova T. Effectiveness and safety of COVID-19vaccines in patients with diabetes as a factor for vaccine hesitancy. World J Diabetes 2022; 13(9): 738-751.
14. Miteva D, Peshevska-Sekulovska M, Snegarova V, Batselova H, Alexandrova R, Velikova T. Mucosal COVID-19 vaccines: Risks, benefits and control of the pandemic. World J Virol 2022; 11(5): 221-236.
15. Tomov L, Miteva D, Sekulovski M, Batselova H, Velikova T. Pandemic control-do's and don'ts from a control theory perspective. World Journal of Methodology 12.5 (2022): 392.
16. Velikova, T., Kukov, A., Mihova, A., Snegarova, V., Batselova, H., Nakov, R. Gastrointestinal mucosal immunity and covid-19 (2021) World Journal of Gastroenterology, 27 (30), pp. 5047-5059.
17. Tomov, L., Velikova, T., Batselova, H. HEALTH RISK MANAGEMENT IN KINDERGARTENS AND SCHOOLS DURING COVID-19 PANDEMIC (2021) General Medicine, 23 (6), pp. 22-27.
    
18. Velikova, T., Batselova, H., Jenkov, V. IMPACT OF COVID‐19 PANDEMIC ON MENTAL HEALTH: A CROSS‐SECTIONAL SURVEY OF 1,020 BULGARIAN CITIZENS. Bulgarian Journal of Psychiatry (2020), 5 (3) , 10-18.
19. Velikova TV, Kotsev SV, Georgiev DS, Batselova HM. Immunological aspects of COVID-19: What do we know? World J Biol Chem. 2020 Sep 27;11(2):14-29.
20. Бацелова Х., Кеворкян А., Райчева Р., Бойкинова О., Балтаджиев И., Шопова Й., Стоилова Й. Епидемиологично проучване на хоспитализираните пациенти с варицела в Пловдивска област за периода 2000-2011г. Обща медицина, 2013, XV (3).
21. Baltadzhiev, I., Stoilova, J., Popivanova, N., Bazelova, H. Changes in the Viral Hepatitis B (VHB) morbidity 1987-2006 (2009) Problems of Infectious and Parasitic Diseases, 37 (1), pp. 39-40. 

Research Interest: Virus and host interaction, signal transduction, vaccine development, biotechnology.

Research Interest: Structural determination of protein-DNA, Solid: X-ray, Solution: 2D & 3D NMR, and Gas: Mass Spectrometry, interactions and their pathways, stability, dynamics, and function.

Research Interest: Biotechnology, Vaccines, Vaccine Development, Virology, Viral Vaccines.

Research Interest: Her project here focused on the development of a novel therapeutics for the treatment of immune and inflammatory skin diseases such as psoriasis using a skin epidermal Langerhans cell model.

Research Interest: Nanoparticles, liposomes, solid lipid naonparticles, and anhydrous reverse micelles, drug/vaccine carriers, freeze-drying of pharmaceutics, design, carrying out and analysis of in vivo tests, separation and purification of chemicals, extraction and analysis of therapeutic.

Research Interest: HTA and to new communication strategies with people about vaccination, especially in consideration of the rising phenomena of anti-vaccination movements.

Research Interest: Immune based inflammatory disorders (with special reference to nanomedicines).

Research Interest: Conduct several molecular biology and genomic assays including Sequencing, Cloning, RT-PCR, Southern blot, Northern blot, and Immunostaining.

Research Interest: Currently, his studies focus on the two major directions. The first one is to study the innate receptor TLR and NLR ligands as adjuvant for CTL epitope-based vaccines to treat cancer and the adjuvant effect on the modulation of immune responses will be studied.

Research Interest: The keywords of my research interest: Reproductive immunology, Thymic stromal lymphopoietin, The costimulatory signal, Trophoblast, Gamma-delta T cell, CD4+CD25bright regulatory T cell, Pregnancy, Miscarriage, The maternal-fetal immune.