Research Interest: Infection diseases prevention, epidemiology of infectious diseases, vaccination, vaccines, travel and tropical medicine.

Research Interest: Pathogenesis and Treatment of Melanoma, and in Part are directed at Developing Tools to Study Melanoma.

Research Interest: Gene therapy, Cell and tissue engineering, Vaccine development, Biomaterials, Synthetic biology and biomass, Nanobiotechnology.

Research Interest: Research interests are varied and include detection and utilisation of novel biomarkers of toxicological exposure.

Research Interest: Pediatric Immunology: Primary Immunodeficiencies (particularly their autoimmune manifestations), Early-onset Autoimmunity, Human Thymus, Mother-Infant Immunological Relationships (focusing Placental and Milk Antibody Transfer).

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: Antigen processing and presentation, relating to the understanding of these processes and manipulation of them in order to treat.

Research Interest: Infectious disease, vaccine, immunology, focus in infectious diseases, epidemiology, microbiology, vaccine development and efficacy.

Research Interest: Veterinary Vaccine and Immunology, Veterinay Virology (Canine distemper virus, Canine parvovorus and Classical swine fever virus.

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: A specialist in pediatrics and epidemiology.

Research Interest: Genitourinary Cancer

Research Interest: Immunology, veterinary immunology, lymphocytes, innate immunity, receptors, viral infections, RNA viruses.

Research Interest: Cytokine based Immunotherapies to treat lymphopenia, Clinical biomarkers in psychological disorders, Effects of Inflammation on hematopoiesis.

Research Interest: Molecular biology of viruses, the interactions of viruses with host cells, the pathogenesis of viral diseases, the post-translational modification of viral proteins, and mechanisms of host defense. The research works are designed to increase fundamental knowledge as well as to facilitate the development of new approaches to control of viral infection.