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      Estudio de seroprevalencia de HVS 1-2 en gestantes y recién nacidos de 2017 a 2021 Translated title: Seroprevalence study of HVS 1-2 in pregnant people and newborn from 2017 to 2021

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          Abstract

          RESUMEN El virus herpes simple (VHS) pertenece a la subfamilia alfa virus, miembro de la familia Herpes viridae. Existen dos tipos de VHS íntimamente relacionados, el VHS tipo 1 (VHS1) y el VHS tipo 2 (VHS2), que causan enfermedades de diversa gravedad. El VHS1 se transmite principalmente por contacto de boca a boca y el VHS2 se transmite por vía sexual; ambos pueden causar herpes genital. La carga de morbimortalidad a nivel mundial derivada de patógenos de transmisión sexual compromete la vida, así como la salud sexual y reproductiva, y la salud del recién nacido. Objetivos: Determinar la seroprevalencia IgG e IgM por VHS1 y VHS2 de los recién nacidos y madres en el periodo de enero 2017 a julio 2021 en un hospital de tercer nivel. Materiales y Métodos: Estudio observacional, retrospectivo de corte transversal de enero 2017 a julio 2021. Se midió anticuerpos IgG e IgM en recién nacidos y gestantes de ultimo trimestre, utilizando el método de ELISA. Resultados: De un total de 4712 serologías IgG e IgM de madres y RN analizados la seroprevalencia de IgG en gestantes fue cercana al 100% con valor similar en los RN (87%), la seroprevalencia de IgM en las madres fue 0,23% y de los RN 0,36% con tendencia ascendente. Conclusión: la seroprevalencia de IgG para VHS es elevada, en cambio la seroprevalencia de IgM en gestantes y recién nacidos en el periodo de estudio es significativamente baja.

          Translated abstract

          ABSTRACT The herpes simplex virus (HSV) belongs to the alpha virus subfamily, a member of the family Herpes viridae. There are two closely related types of HSV, HSV type 1 and HSV-2, which cause diseases of varying severity. HSV-1 is transmitted mainly by mouth-to-mouth contact and HSV-2 is transmitted sexually, both of which can cause genital herpes. The global burden of morbidity and mortality from sexually transmitted pathogens compromises life, as well as sexual and reproductive health, and the health of the newborn. Objective: To determine the IgG and IgM seroprevalence for HSV 1 - 2 of newborns and mothers in the period from January 2017 to July 2021 in a third level hospital. Materials and Methods: Observational, retrospective, cross-sectional study of January 2017 to July 2021. IgG and IgM antibodies were measured in newborns and pregnant women in the last trimester, using the ELISA method. Results: Of a total of 4712 IgG and IgM serologies of mothers and newborns analyzed the seroprevalence of IgG in pregnant women was close to 100% with similar value in newborns (87%), IgM seroprevalence in mothers was 0.23% and the RN 0.36% with an upward trend. Conclusion: The IgG seroprevalence for HSV is high, while the IgM seroprevalence in pregnant women and newborns during the study period is significantly low.

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          The seroepidemiology of herpes simplex virus type 1 and 2 in Europe.

          To describe the seroepidemiology of herpes simplex virus (HSV) types 1 and 2 in the general populations of eight European countries to better understand recent reported changes in disease epidemiology. Belgium, Bulgaria, Czech Republic, England and Wales, Finland, Germany, Netherlands, and Slovenia conducted national cross sectional serological surveys for HSV-1 and HSV-2 between 1989 and 2000. Survey sizes ranged from 3000 to 7166 sera. External quality control was ensured through reference panel testing. Large intercountry and intracountry differences in HSV-1 and HSV-2 seroprevalence were observed. Age standardised HSV-1 seroprevalence ranged from 52% in Finland, to 57% in the Netherlands, 67% in Belgium, 81% in Czech Republic, and 84% in Bulgaria. Age standardised (>12 years) HSV-2 seroprevalence ranged from 24% in Bulgaria, to 14% in Germany, 13% in Finland, 11% in Belgium, 9% in Netherlands, 6% in Czech Republic, and 4% in England and Wales. In all countries, probability of seropositivity for both infections increased with age. A large proportion of teenagers and young adults remain HSV-1 susceptible particularly in northern Europe. Women were significantly more likely to be HSV-2 seropositive in six of seven (p<0.05) countries and HSV-1 seropositive in four of seven (p<0.05) countries, particularly in northern Europe. No significant evidence of a protective role of HSV-1 for HSV-2 infection was found adjusting for age and sex (p<0.05). There is large variation in the seroepidemiology of HSV-1 and HSV-2 across Europe. The observation that a significant proportion of adolescents are now HSV-1 susceptible may have implications for transmission and clinical presentation of HSV-1 and HSV-2.
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            Herpes simplex virus type 1 and type 2 in the Netherlands: seroprevalence, risk factors and changes during a 12-year period

            Background Genital herpes results in considerable morbidity, including risk of neonatal herpes, and is increasingly being caused by Herpes Simplex Virus (HSV) type 1. Possibly children are less often HSV-1 infected, leaving them susceptible until sexual debut. We assessed changes in the Dutch HSV-1 and HSV-2 seroprevalence over time and determinants associated with HSV seropositivity. Methods We used data from two population-based seroepidemiological studies conducted in 1995–6 and 2006–7 with a similar study design. Serum samples of 6 months to 44-year-old participants were tested for type-specific HSV antibodies using HerpesSelect® with a cut-off level of >1.10 for seropositivity. Age and sex-specific HSV-1 and HSV-2 seroprevalence was weighted for the Dutch population. Logistic regression was performed to investigate determinants associated with HSV seropositivity. Results Overall, weighted HSV-1 seroprevalence was significantly lower in 2006–7 [42.7 % 95 % confidence interval (CI) 39.9-45.4] than in 1995–6 (47.7 % 95 % CI 44.8-50.7), especially among 10- to 14-year-olds. Overall, weighted HSV-2 seroprevalence remained stable: 6.8 % in 1995–6 and 6.0 % in 2006–7. Adults who ever had sexual intercourse were more often seropositive for HSV-1 [adjusted Odds Ratio (aOR) 1.69 95 % CI 1.33-2.16] and HSV-2 (aOR 2.35 95 % CI 1.23-4.52). Age at sexual debut was the only sexual risk determinant associated with HSV-1 seropositivity. Conclusions Because of the lower HSV-1 seroprevalence in 2006–7 compared to 1995–6, more adults are susceptible to genital HSV-1, including women of reproductive age. Given the higher risk of neonatal herpes when HSV is acquired during pregnancy, prevention and control measures during pregnancy also targeting HSV-1, are important. Electronic supplementary material The online version of this article (doi:10.1186/s12879-016-1707-8) contains supplementary material, which is available to authorized users.
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              Epidemiology of herpes simplex virus type 1 and 2 in Italy: a seroprevalence study from 2000 to 2014

              Summary Herpes simplex viruses (HSV) are among the most widespread causative agents of human viral infections. HSV-2 is one of the commonest causes of genital disease, while HSV-1 is associated primarily with orolabial ulceration; however, recent changes in HSV epidemiology showed an increase in genital and neonatal herpes particularly caused by HSV-1. The main purpose of this study was to assess the seroprevalence of HSV-1 and HSV-2 in a random population in Siena (central Italy) in 2000, 2005 and 2013-2014 and in Bari (southern Italy) in 2005. Moreover, a preliminary study was conducted to investigate the spread of HSV infection in a population of pregnant women and infants in Bari in 2003, 2004 and 2005. Human serum samples were tested for the presence of specific anti-HSV-1 and anti-HSV-2 IgG antibodies using a commercially available ELISA test. For the primary purpose, seroprevalence rates observed in Siena were compared over the years sampled and with the seroprevalence rate found in Bari. Results of seroprevalence in Siena show a decreased trend for both viruses, especially in adolescents and young adults; moreover, HSV-2 seroprevalence rates found in the two cities suggest geographical differences. For the secondary purpose, prevalence rates among pregnant women were compared with the seroprevalence found in women of the general population. No significant difference in prevalence rates were found among pregnant women, while results indicate both viruses are a source of infection in infants.
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                Author and article information

                Journal
                imt
                Revista del Instituto de Medicina Tropical
                Rev. Inst. Med. Trop.
                Instituto de Medicina Tropical (Asunción, , Paraguay )
                1996-3696
                December 2023
                : 18
                : 2
                : 4-10
                Affiliations
                [3] Itaugua orgnameMinisterio de Salud Pública y Bienestar Social orgdiv1Servicio de Inmunología Paraguay
                [2] Itaugua orgnameMinisterio de Salud Pública y Bienestar Social orgdiv1Hospital Nacional orgdiv2Departamento de Pediatría Paraguay
                [1] Mariano Roque Alonso orgnameUniversidad María Auxiliadora Paraguay
                Article
                S1996-36962023000200004 S1996-3696(23)01800200004
                10.18004/imt/2023.18.2.2
                12d95fd9-98cb-4511-b48f-be0a7b43ace3

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 25 July 2023
                : 21 November 2023
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 16, Pages: 7
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                SciELO Paraguay

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                Articulos Originales

                seroprevalencia,gestantes,herpes virus simplex 1 y 2,recién nacidos,herpes simplex virus 1 and 2,pregnant,newly born,seroprevalence

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