Research Interest: Develop treatment modality/Process/Biomarkers for the soldiers working in the extreme conditions. Based on these stressors, different models of stress like hypobaric hypoxia, cold, Isolation (Antarctica) and viral infection are being used to overcome from the stress induced maladies.

Research Interest: Allergy test in clinical diagnosis, Immunotherapy and in vitro cell assay, Anti-inflammatory properties of natural compounds, Allergy and vaccination, Basophil activation tests.

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

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: 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.

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: Inflammation, Immunology, Innate immunity, Infection, Antimicrobial peptides
Lipid mediators.

Research Interest: Vaccine, innate immunity, parasite-host interaction.

Research Interest: Interest has been in the field of immunology.

Research Interest: Allergy, Allergens, Carbohydrates, cross-reactive carbohydrate deteminants
Immunomodulation, Antibody engineering, Molecule design, Molecular biology and biochemistry
Recombinant technologies.

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

David A. Reardon, MD, is a Professor of Medicine at Harvard Medical School and currently serves as Clinical Director of the Center for Neuro-Oncology at the Dana-Farber Cancer Institute.

He previously served as the Associate Deputy Director of the Preston Robert Tisch Brain Tumor Center at Duke University Medical Center for eleven years. He completed his residency at John Hopkins Hospital in Maryland, USA and was awarded a fellowship at the University of Michigan. Dr. Reardon is an active researcher with special interests in the design and implementation of clinical trials for neuro-oncology and the preclinical evaluation of promising therapeutics for central nervous system tumors.

His work includes using innovative clinical therapeutic agents to improve outcome for patients with brain and spinal tumors, with particular focus on immunotherapeutics. He has also led investigations of molecular-targeting agents, anti-angiogenic reagents, cytotoxins and other biologically-based therapies.

Dr. Reardon has published over 290 peer-reviewed manuscripts. He received the R. Wayne Rundles Award for Excellence in Cancer Research as well as the Award for Excellence in Adult Clinical Research by the Society for Neuro-Oncology in 2015 and 2016. He also served as the tenth president of the Society for Neuro-Oncology from 2013-2015.

Research Interest: Innovative Clinical Therapeutic Agents To Improve Cure Rates In Patients With Brain And Spinal Tumors, With Particular Focus On Immunotherapeutics As Well As Molecular-Targeting Agents, Anti-Angiogenic Reagents, Cytotoxins And Other Biologically-Based Therapies.

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

Research Interest: Plant biotechnology, Regulation of expression by anti-messengers & ribozymes, Systems Biology.