Analysis of cytokine response characteristics and immunopathogenetic effects of double-stranded sodium salt RNA-based drug for postexposure prophylaxis against novel coronavirus infection: double-blind, placebo-controlled trial DOI Creative Commons
О. А. Радаева, Л. А. Балыкова, K. Ya. Zaslavskaya

и другие.

Pharmacy & Pharmacology, Год журнала: 2023, Номер 11(2), С. 137 - 148

Опубликована: Авг. 8, 2023

The aim of the work was to study сytokine response characteristics in group persons contacted by a novel coronavirus infection depending on development disease over next 14 days. Herewith, for immunocorrection with preparation based RNA double-stranded sodium salt (RADAMIN®VIRO) causing secondary reduction risk COVID-19 analyzed group, potential targets had been selected. Materials and methods. A double-blind, placebo-controlled drug therapeutic effects conducted patients who contact having confirmed diagnosis COVID-19. method enzyme immunoassay dynamics used determine content interferons alpha beta (IFNα IFNβ, respectively), interleukin-1β -10 (IL1β IL-10, respectively) blood serum saliva persons, retrospective assessment changes administration or placebo, as well Results. In course presented study, it demonstrated that established IFNα (less than 28 pg/ml) IFNβ 12 1 st –2 nd days is predictor an increased developing increase degree these immunoregulatory peptides interval 2–3 important: allows leveling negative prognosis 250% more. lowest rates ( p <0.001) INFα days, less 21% 3 rd day, were observed waist circumference more 80/94 cm (women/men). incidence this higher amounted 85% (16 out 20 people). role IL-1β IL-10 relation start infectious process not revealed. made possible correct interferon form reduce comparison placebo group. Conclusion. Differences regulation upon SARS-CoV-2 lower INF α β levels, slightly pronounced growth first influenced RADAMIN®VIRO can be recommended means post-exposure prophylaxis both medical institutions caregivers / contacts patients.

Язык: Английский

The Impact of Healthcare Pressures on the COVID-19 Hospitalisation Fatality Risk in England DOI Creative Commons
Jonathon Mellor, Owen Jones, Thomas R. Ward

и другие.

Journal of Epidemiology and Global Health, Год журнала: 2024, Номер unknown

Опубликована: Окт. 8, 2024

Abstract Background As the impact of SARS-CoV-2 pandemic extends into 2023 and beyond, treatment outcomes infected patients continues to evolve. Unlike earlier in there are now further infectious disease pressures placed on hospitals, which influence patient care triage decisions. Methods The manuscript uses individual records linked with associated hospital management information system pressure characteristics attribute COVID-19 hospitalisation fatality risks (HFR) using generalised additive mixed effects models. Results Between 01 September 2022 09 October 2023, risk England was estimated as 12.71% (95% confidence interval (CI) 12.53%, 12.88%). Staff absences had an adjusted odds ratio 1.038 CI 1.017, 1.060) HFR when accounting for characteristics. Interpretation This observational research presents evidence that a range local can have meaningful death from once hospitalised should be accounted reporting estimates. We show both case mix estimates outcomes.

Язык: Английский

Процитировано

0

Exploring the Replication and Pathogenic Characteristics of Alpha, Delta, and Omicron Variants of SARS-CoV-2 DOI Open Access
Md. Sakirul Islam Khan, Takaaki Yahiro, Kazunori Kimitsuki

и другие.

International Journal of Molecular Sciences, Год журнала: 2024, Номер 25(23), С. 12641 - 12641

Опубликована: Ноя. 25, 2024

The variants of concern (VOCs) SARS-CoV-2 have exhibited different phenotypic characteristics in clinical settings which are yet to be fully explored. This study aimed characterize the viral replication features major VOCs and their association with pathogenicity. Alpha, Delta, Omicron isolated from COVID-19 patients Japan were propagated VeroE6/TMPRSS2 cells. pathological evaluated by laser electron microscopy at time points. results revealed that Delta variant dominantly infected cells formed increased syncytia compared Alpha variants. Relatively large numbers virions immunoreactivities N-protein detected endoplasmic reticulum intracellular vesicles Delta-infected Interestingly, nucleus cells, while such properties not observed case In addition, early nuclear membrane damage followed severe cellular was prominent A unique mutation (G215C) is thought associated cell damage. conclusion, this highlights distinct replicative pathogenic variants, shedding light on potential mechanisms underlying its

Язык: Английский

Процитировано

0

COVID-19 vaccination campaigns and health outcomes in Spain during 2021 DOI
José E. Boscá, José Cano-Leiva, Javier Ferri

и другие.

Applied Economics, Год журнала: 2023, Номер 56(34), С. 4100 - 4113

Опубликована: Май 10, 2023

We evaluate the effects of vaccines in evolution epidemic Spain during 2021. To this end, we estimate effect vaccination terms reducing infections, hospitalizations, ICU admissions, and deaths. also compare health impact COVID-19 with that caused by recent influenza seasons, a scenario where all population had been vaccinated. The positive on indicators has extraordinary. non-availability would have increased deaths 571% compared to observed Moreover, relative benefit increases severity indicator: greater for less infections hospitalizations. Under assumption entire vaccinated vaccine from first week April, disease hospitalizations 2021 above low activity flu season, but line moderate/high season.

Язык: Английский

Процитировано

1

Navigating the COVID-19 Pandemic: Examining Changes in Global Incidence and Mortality with Emphasis on Vaccine Coverage Base on the Omicron Era DOI Open Access
Myung-Bae Park

Asia-pacific Journal of Convergent Research Interchange, Год журнала: 2023, Номер 9(7), С. 287 - 297

Опубликована: Июль 31, 2023

Several studies have examined the clinical efficacy of COVID-19 vaccine, but there is still a lack research on worldwide policy effects vaccination efforts.Understanding global impact campaigns in managing spread essential.This study explores influence vaccine coverage occurrence and death rates before after emergence Omicron variant.Data from 119 countries Our World Data platform was examined, with daily cases per million people 100 as some variables analyzed.In pre-Omicron era, vaccinated hundred had negative association deaths non-lagged model, while 14 days-lagged models significantly positive association.For fully hundred, both association.Daily tests thousand were positively associated dayslagged for deaths.In post-Omicron models, deaths.Daily statistically associations deaths, except deaths.Vaccination has been more preventing COVID-19, particularly reduced mortality.Moreover, new dose affected incidence mortality.

Язык: Английский

Процитировано

0

Analysis of cytokine response characteristics and immunopathogenetic effects of double-stranded sodium salt RNA-based drug for postexposure prophylaxis against novel coronavirus infection: double-blind, placebo-controlled trial DOI Creative Commons
О. А. Радаева, Л. А. Балыкова, K. Ya. Zaslavskaya

и другие.

Pharmacy & Pharmacology, Год журнала: 2023, Номер 11(2), С. 137 - 148

Опубликована: Авг. 8, 2023

The aim of the work was to study сytokine response characteristics in group persons contacted by a novel coronavirus infection depending on development disease over next 14 days. Herewith, for immunocorrection with preparation based RNA double-stranded sodium salt (RADAMIN®VIRO) causing secondary reduction risk COVID-19 analyzed group, potential targets had been selected. Materials and methods. A double-blind, placebo-controlled drug therapeutic effects conducted patients who contact having confirmed diagnosis COVID-19. method enzyme immunoassay dynamics used determine content interferons alpha beta (IFNα IFNβ, respectively), interleukin-1β -10 (IL1β IL-10, respectively) blood serum saliva persons, retrospective assessment changes administration or placebo, as well Results. In course presented study, it demonstrated that established IFNα (less than 28 pg/ml) IFNβ 12 1 st –2 nd days is predictor an increased developing increase degree these immunoregulatory peptides interval 2–3 important: allows leveling negative prognosis 250% more. lowest rates ( p <0.001) INFα days, less 21% 3 rd day, were observed waist circumference more 80/94 cm (women/men). incidence this higher amounted 85% (16 out 20 people). role IL-1β IL-10 relation start infectious process not revealed. made possible correct interferon form reduce comparison placebo group. Conclusion. Differences regulation upon SARS-CoV-2 lower INF α β levels, slightly pronounced growth first influenced RADAMIN®VIRO can be recommended means post-exposure prophylaxis both medical institutions caregivers / contacts patients.

Язык: Английский

Процитировано

0