Accès ouvert
2026
article
OpenAlex
А. Yu. Popova, В. С. Смирнов, S. A. Egorova, L. V. Buts et autres
Diphtheria is a serious infection, often characterized by a pronounced toxic component, which can be accompanied by severe complications of the cardiovascular and nervous systems. The primary method of infection prevention is immunization (primarily in children) with diphtheria toxoid, which induces effective …
ru
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Accès ouvert
2026
article
OpenAlex
Anna Yurievna Popova, Alesia Yuryevna Olkhovskaya, Luka Dragačević, Yulia Vladimirovna Ostankova et autres
Background: Hepatitis A (HA) and E (HE) represent a significant global health burden. Despite the development of effective vaccines against hepatitis A virus (HAV) and hepatitis E virus (HEV), outbreaks of acute HA and HE continue to occur worldwide. This study aimed …
ru, rs
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Accès ouvert
2025
article
OpenAlex
A. Yu. Olkhovskaya, Yu. V. Ostankova, М. А. Сайтгалина, S. A. Egorova et autres
The COVID-19 pandemic has posed an unprecedented challenge to global public health. Poor clinical outcomes in COVID-19 were associated with a pathogenic triad of interrelated mechanisms: immune dysregulation, coagulopathy, and secondary immunodeficiency, which collectively establish a selfperpetuating cycle of progressive multiorgan dysfunction. …
ru
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Accès ouvert
2025
article
OpenAlex
A. Yu. Popova, Alesia Yuryevna Gorbunova, S. A. Egorova, Diana E. Reingardt et autres
Hepatitis E virus (HEV) represents a significant medical and social problem characterized by high prevalence and serious clinical consequences, particularly among vulnerable population groups including pregnant women and individuals with immunodeficiency conditions. The existing insufficient awareness of the disease’s clinical picture combined …
Accès ouvert
2025
article
OpenAlex
A. Yu. Popova, В. С. Смирнов, S. A. Egorova, Gayane Melik-Andreasyan et autres
Aim. This study aimed to assess the SARS-CoV-2 herd immunity in the Republic of Armenia (RA) by late 2022. Materials and Methods. A randomized study was conducted from 28 November to 2 December (2022) by the Saint Petersburg Pasteur Institute (Russia) in …
ru, am
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Accès ouvert
2025
article
OpenAlex
А. Yu. Popova, Anastasia Yu. Gorbunova, Yu. V. Ostankova, S. A. Egorova et autres
In 2023, 3,545 cases of viral hepatitis A (HA) were reported in the Russian Federation, with an incidence rate of 2.42 per 100,000 population. Acute HA accounted for the largest share in the structure of acute viral hepatitis morbidity – 61%, and …
ru
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Accès ouvert
2025
article
OpenAlex
A. Yu. Popova, Alesia Yuryevna Gorbunova, Yu. V. Ostankova, S. A. Egorova et autres
The problem of viral hepatitis A (HA) and E (HE), has remained relevant for many decades. According to estimates by the World Health Organization, millions of people are exposed annually to the risk of infection with these hepatitis A (HAV) and E …
Accès ouvert
2025
preprint
OpenAlex
Анна Попова, В. С. Смирнов, S. A. Egorova, Luka Dragačević et autres
Background/Objectives: In the Republic of Serbia, anti-measles vaccination was first introduced in 1971, while combined vaccination (measles, mumps, rubella) was made mandatory in 1996 as part of the national vaccination program. Reported prevalence values for 2023 were: < 0.75 cases per 100K …
ru, rs
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Accès ouvert
2025
article
OpenAlex
Анна Попова, В. С. Смирнов, S. A. Egorova, Zuridin Sharipovich Nurmatov et autres
Specific prevention of measles, mumps, and rubella (MMR) is the main prerequisite for a radical reduction in the incidence of these infections in the Kyrgyz Republic (KR). An increase in the number of seronegative individuals observed in recent years has led to …
ru, kg
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Accès ouvert
2024
article
OpenAlex
A. Yu. Popova, С. А. Егорова, В. С. Смирнов, Е. Б. Ежлова et autres
Specific measles, mumps, and rubella prevention has been the main prerequisite for a striking decline in the incidence of such infections in Russia. An increase in the percentage of seronegative individuals observed in recent years resulted in higher measles incidence being directly …
ru
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Accès ouvert
2024
article
OpenAlex
Tikhon V. Savin, A. M. Milichkina, A.A. Krasnov, R. N. Kuznetsova et autres
The evaluation of cellular immunity to SARS-CoV-2 is a critical tool for assessing vaccination efficacy and development of post-infectious immunity. According to available studies, virus-specific T cells persist longer than antigen-specific antibodies and play a pivotal role in the effective virus elimination …
ru, cz, fr
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Accès ouvert
2024
article
OpenAlex
А. Yu. Popova, В. С. Смирнов, Omor T. Kasymov, S. S. Egorova et autres
Purpose of the study: to study the dynamics of developing herd immunity against SARS-CoV-2 in the population of the Republic of Kyrgyzstan during COVID-19. Materials and methods. The work was carried out using the methodology for assessing population immunity developed by Rospotrebnadzor …
ru, fr, la, us
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