PubMed Journals Articles About "Intradermal Hepatitis Vaccine With Imiquimod Intramuscular Hepatitis Vaccine" RSS

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Showing "Intradermal hepatitis vaccine with imiquimod Intramuscular hepatitis vaccine" PubMed Articles 1–25 of 2,800+

Hepatitis B Vaccine birth dose in India: Time to reconsider.

Viral hepatitis is increasingly being recognized as a public health problem in India with 96% of all hepatitis mortality attributed to hepatitis B and C combined. It has been recognized that hepatitis B vaccination has resulted in substantial reductions in the incidence of acute and chronic hepatitis B infections and carriage. Although coverage of third-dose hepatitis B vaccine has reached 86%, the birth-dose coverage was only 45% in 2015 despite high rates of institutional deliveries (79%). With the target...

Feasibility of Hepatitis B Vaccination by Microneedle Patch: Cellular and Humoral Immunity Studies in Rhesus Macaques.

Dissolvable microneedle patches (dMNPs) provide ease of deployment and eliminate need for hypodermic needle disposal after conventional vaccinations. In this study, immunogenicity of dMNP delivery of adjuvant-free monovalent hepatitis B surface antigen (HBsAg) vaccine (AFV) to standard intramuscular (IM) injection of monovalent aluminum-adjuvanted monovalent hepatitis B vaccine (AAV) were compared in rhesus macaques.

Doses of hepatitis B revaccination needed for the seronegative youths to be seropositive to antibody against hepatitis B surface antigen.

To determine the required hepatitis B vaccine doses for subjects who were seronegative for three hepatitis B seromarkers during their youth who wish to have seroprotective antibodies against the hepatitis B surface antigen (anti-HBs).

Prevalence of HBV and Assessment of Hepatitis B Vaccine Response among Dental Health Care Workers in Dental Teaching Hospital, Umm Al-Qura University, Saudi Arabia.

Hepatitis-B Virus (HBV) infection is a serious health problem that can be prevented by vaccination. Dental Health Care Workers (DHCWs) are at-risk of occupational exposure to HBV infection. This study was aimed to assess the prevalence of HBV and evaluate the immune response to hepatitis B vaccine among DHCWs in Dental Teaching Hospital, Umm Al-Qura University, Saudi Arabia. A cross-sectional study was conducted on 139 DHCWs, 71 males and 68 females. Blood samples were collected and the levels of hepatitis ...

Hepatitis B Birth Dose: First Shot at Timely Early Childhood Vaccination.

Current U.S. recommendations state that newborns weighing ≥2,000 grams should receive a birth dose of hepatitis B vaccine, yet approximately one quarter do not receive this first dose as scheduled. The relationship between timely receipt of the first hepatitis B vaccine and other early childhood vaccines remains unclear.

Knowledge, awareness, attitude and practice of healthcare professionals towards hepatitis B disease and vaccination in Saudi Arabia.

Healthcare professionals (HCPs) are at very high risk for accidental exposure to hepatitis B virus (HBV) from infected patients; as such, this study aimed to investigate the knowledge, awareness, attitude and practice of HCPs toward hepatitis B vaccination. We conducted a cross-sectional study with a pretested, validated questionnaire in seven major cities in Saudi Arabia from January to April 2015. The questionnaire consisted of four sections: demographics, knowledge, awareness of hepatitis B infection, a...

Long-term protection at 20- to 31-years after primary vaccination with plasma-derived hepatitis B vaccine in a Chinese rural community.

: To assess the long-term protection conferred by plasma-derived hepatitis B vaccine at 20- to 31-years after primary immunization during infancy in Chinese rural community. : Participants born between 1986 and 1996, who received full course of primary vaccination with plasma-derived hepatitis B vaccine and had no experience with booster vaccination were enrolled. An epidemiological investigation was performed, and blood samples were collected to detect hepatitis B surface antigen (HBsAg), hepatitis B surfa...

Molecular evaluation of oral immunogenicity of hepatitis B antigen delivered by hydrogel microparticles.

The development of oral vaccine formulation is crucial to facilitate an effective mass immunization program for various vaccine-preventable diseases. In this work, the efficacy of hepatitis B antigen delivered by bacterial nanocellulose/poly(acrylic acid) composite hydrogel microparticles (MPs) as oral vaccine carriers were assessed to induce both local and systemic immunity. Optimal pH-responsive swelling, mucoadhesiveness, protein drug loading, and drug permeability were characterized by MPs formulated wi...

Enhanced immunogenicity and protective efficacy of a tetravalent dengue DNA vaccine using electroporation and intradermal delivery.

Phase 1 clinical trials with a DNA vaccine for dengue demonstrated that the vaccine is safe and well tolerated, however it produced less than optimal humoral immune responses. To determine if the immunogenicity of the tetravalent dengue DNA vaccine could be enhanced, we explored alternate, yet to be tested, methods of vaccine administration in non-human primates. Animals were vaccinated on days 0, 28 and 91 with either a low (1 mg) or high (5 mg) dose of vaccine by the intradermal or intramuscular route...

Effect of freezing on recombinant hepatitis E vaccine.

Studies have revealed that vaccines are more often exposed to sub-zero temperatures during cold chain transportation than what was previously known. Such exposure might be detrimental to the potency of temperature-sensitive vaccines. The aim of this study was to evaluate the impact of exposure to freezing on the physicochemical properties and biological activities of recombinant hepatitis E (rHE) vaccine. Changes in rHE vaccine due to freezing temperatures were analyzed with regard to sedimentation rate, an...

Demonstration of real-time and accelerated stability of hepatitis E vaccine with a combination of different physicochemical and immunochemical methods.

Hepatitis E, which is caused by infection with hepatitis E virus (HEV), is a global health problem in both developed and developing countries. An efficacious hepatitis E vaccine was licensed (by China) in 2011 with a trade name of Hecolin®. The antigen contained in this vaccine is a truncated version of the sole capsid protein encoded by open reading frame 2, which is designated p239. In this study, the real-time and real-condition stability and accelerated stability of five lots of hepatitis E vaccine pro...

Hepatitis A vaccine immunogenicity in patients using immunosuppressive drugs: A systematic review and meta-analysis.

Inactivated hepatitis A (HepA) vaccines are very immunogenic in healthy individuals; however, it remains unclear how different immunosuppressive regimens affect HepA vaccine immunogenicity. Our objective was to summarize the current evidence on immunogenicity of HepA vaccination in patients using immunosuppressive drugs.

High chance to overcome the non-responder status to hepatitis B vaccine after a further full vaccination course: results from the extended study on healthcare students and workers in Florence, Italy.

Healthcare workers (HCWs) are considered high-risk subjects for Hepatitis B Virus (HBV) infection due to occupational exposure to blood and body fluids. Vaccination represents the core strategy for HBV infection prevention. Following our previous publication on this topic, we aimed to assess the effectiveness of booster vaccine doses in eliciting the immunological response in seronegative (

Infectious Diseases pre-transplant evaluation improves vaccination rates for liver transplant candidates.

Immunization rates in pre-liver transplant patients have been historically below rates for immunocompetent patients. At Cleveland Clinic, an infectious diseases (ID) consult is required for all patients during the liver transplant evaluation and may beneficially impact vaccination rates. The goal of this study is to evaluate pre-transplant vaccination rates in pre-liver transplant candidates. This single center, retrospective chart review included adults transplanted between January 1, 2013 and December 31,...

World Hepatitis Day - July 28, 2019.

World Hepatitis Day, observed each year on July 28, was established to raise awareness and promote understanding of viral hepatitis around the world. The theme of this year's World Hepatitis Day is "Invest in Eliminating Hepatitis," underscoring the need to increase commitment for hepatitis response. In 2015, an estimated 257 million persons were living with hepatitis B and 71 million with hepatitis C worldwide (1).

Immunogenicity of intramuscular fractional dose of inactivated poliovirus vaccine.

Intradermal (id) fractional Inactivated Poliovirus Vaccine (fIPV, 1/5th of normal IPV dose) is safe and immunogenic, however, id administration is perceived as difficult. We compared fIPV immunogenicity administered id or intramuscularly (im).

Comparison of antibody titres between intradermal and intramuscular rabies vaccination using inactivated vaccine in cattle in Bhutan.

In developing countries, the cost of vaccination limits the use of prophylactic rabies vaccination, especially in cattle. Intradermal vaccination delivers antigen directly to an area with higher number of antigen-presenting cells. Therefore, it could produce equivalent or higher antibody titres than conventional intramuscular vaccination even when a lower dose is given. This study aimed to compare the antibody response in cattle vaccinated intramuscularly with 1mL of inactivated rabies vaccine (Raksharab, I...

Hepatitis E-related adverse pregnancy outcomes and their prevention by hepatitis E vaccine in a rabbit model.

Hepatitis E virus (HEV) can lead to high mortality during pregnancy. This study was to investigate the adverse pregnancy outcomes caused by different HEV genotypes and their prevention by HEV 239 vaccine in rabbits. Forty-two female rabbits were randomly and equally divided into 7 groups (A-G). HEV 239 vaccine and a placebo were administered to groups E (10 μg×2), F (5 μg×2) and G (1 mL of PBS×2) before copulation. After pregnancy, 1 mL of 1.5×106 copies/mL rabbit HEV3 was inoculated to groups A...

It is too early to evaluate mother-to-child transmission of hepatitis B within 24 hours after delivery.

Song et al. found that administering nucleo(t)side analogue to HBV-infected mothers from the second trimester could further reduce the rate of mother-to-child transmission (MTCT) than from the third trimester as indicated by HBV DNA. In this study, MTCT was defined as the serum seropositivity of hepatitis B surface antigen and HBV DNA in newborns within 24 hours after delivery. However, neonatal infection should be evaluated at 1-2 months after the 3rd dose of hepatitis B vaccine, that is, at least 7 month...

Circulating interferon-λ3 and post-vaccination antibodies against the surface antigen of hepatitis B virus in hemodialysis patients exposed to hepatitis E virus.

Responsiveness to the hepatitis B virus (HBV) vaccination in hemodialysis (HD) patients who had been exposed to the hepatitis E virus (HEV) and persistently generate antibodies against HEV remains unknown. Interferon (IFN)-λ3 positively correlates with the surface HBV antibodies (anti-HBs) in both healthy and HD subjects. We aimed to show whether HD patients differ in circulating IFN-λ3 and vaccine-induced anti-HBs titers concerning natural HEV immunization. HBV/HCV negative HD patients (31 HEV IgG positi...

Post-Exposure Effects of Vaccines on Infectious Diseases.

Many available vaccines have demonstrated post-exposure effectiveness, but no published systematic reviews have synthesized these findings. We searched the PubMed database for clinical trials and observational human studies concerning the post-exposure vaccination effects, targeting infections with Food and Drug Administration licensed vaccine plus dengue, hepatitis E, malaria, and tick borne encephalitis, which have licensed vaccines outside of the U.S. Studies concerning animal models, serologic testing, ...

An updated systematic review and meta-analysis of the prevalence of hepatitis B virus in Ethiopia.

Hepatitis B virus is one of the major public health concerns globally. It is highly infectious and can be transmitted from person to person through vertically or horizontally via contaminated body fluids. Despite the provision of an effective vaccine, it remains a major problem worldwide, particularly among the developing countries.

Homelessness and Hepatitis A - San Diego County, 2016-2018.

Hepatitis A is a vaccine-preventable viral disease transmitted by the fecal-oral route. During 2016-2018, the County of San Diego investigated an outbreak of hepatitis A infections primarily among people experiencing homelessness (PEH) to identify risk factors and support control measures. At the time of the outbreak, homelessness was not recognized as an independent risk factor for the disease.

Vaccination Coverage by Age 24 Months Among Children Born in 2015 and 2016 - National Immunization Survey-Child, United States, 2016-2018.

The Advisory Committee on Immunization Practices (ACIP) recommends that children be vaccinated against 14 potentially serious illnesses during the first 24 months of life (1). CDC used data from the National Immunization Survey-Child (NIS-Child) to assess vaccination coverage with the recommended number of doses of each vaccine at the national, state, territorial, and selected local levels* among children born in 2015 and 2016. Coverage by age 24 months was at least 90% nationally for ≥3 doses of poliovir...

Anti-PD-1 Blockade with Nivolumab with and without Therapeutic Vaccination for Virally Suppressed Chronic Hepatitis B: A Pilot Study.

To evaluate the hypothesis that increasing T-cell frequency and activity may provide durable control of hepatitis B virus (HBV), we administered nivolumab, a PD-1 inhibitor, with or without GS-4774, an HBV therapeutic vaccine, in virally-suppressed patients with HBeAg negative chronic HBV.

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