Research Interest: Endocrine and metabolic diseases in prostate cancer, bone metabolism, renal function, and immune structure in prostate cancer.

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

Research Interest: Protein Engineering, Adjuvant and Vaccine Delivery Systems, Vaccinology, cGMP Quality Management, Immunology.

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

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

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: Oncology, Immunology and Hematopoiesis.

Research Interest: Self-nonself discrimination in innate immunity, Host-pathogen interactions Autoimmune diseases.

Research Interest: Molecular epidemiology, Development of diagnostic tests for viral disease, Cell culture, Bioinformatics.

Research Interest: Diagnosis of fungal infections; Therapy of mycoses; Pathogenesis of fungal infection; Antifungal drug resistance; Fungal infection animal model; Genomics in medical mycology; Candida mucosal immunity; Infectious dermatosis; genodermatoses.

Research Interest: Immunology such as Autoimmune Diabetes.

Research Interest: Vaccine development.

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