UConn researcher develops successful Zika vaccine in preclinical studies

(University of Connecticut) Paulo Verardi from UConn's College of Agriculture, Health and Natural Resources has demonstrated the success of a vaccine against Zika virus and recently published his findings in Scientific Reports. The vaccine was generated using Verardi's novel patent-pending platform technology.
Source: EurekAlert! - Biology - Category: Biology Source Type: news

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New Brunswick, N.J., October 8, 2020 – Johnson &Johnson (NYSE: JNJ) (the Company) today announced the European Commission (EC), acting on behalf of the European Union (EU) Member States, has approved an Advance Purchase Agreement in which the Janssen Pharmaceutical Companies will supply 200 million doses of its COVID-19 vaccine candidate to EU Member States following approval or authorization from regulators. The EU Member States also have the option to secure up to 200 million additional doses.“The COVID-19 pandemic continues to threaten communities worldwide and we have a responsibility to ensure access t...
Source: Johnson and Johnson - Category: Pharmaceuticals Tags: Our Company Source Type: news
any Usutu virus (USUV), a mosquito-borne zoonotic flavivirus discovered in South Africa in 1959, has spread to many European countries over the last 20 years. The virus is currently a major concern for animal health due to its expanding host range and the growing number of avian mass mortality events. Although human infections with USUV are often asymptomatic, they are occasionally accompanied by neurological complications reminiscent of those due to West Nile virus (another flavivirus closely related to USUV). Whilst USUV actually appears less threatening than some other emergent arboviruses, the lessons learned from ...
Source: Viruses - Category: Virology Authors: Tags: Review Source Type: research
Conclusions: Results showed a low incidence of ZIKV-associated birth defects, stillbirth, and miscarriage, which contrasts with previous studies in other Brazilian regions. Previous exposure to yellow fever vaccine and/or multiserotype DENV infection could be implicated in the protection from ZIKV congenital infection. PMID: 32952536 [PubMed]
Source: Pan American Journal of Public Health - Category: International Medicine & Public Health Tags: Rev Panam Salud Publica Source Type: research
Johnson &Johnson announced today (Sept. 23) that it is launching a large-scale Phase 3 test of its COVID-19 vaccine candidate, which was developed based on science supported by the National Institutes of Health. The vaccine, being tested through the company’s Janssen Pharmaceuticals arm, will be the fourth to enter late stage studies, following candidates from Moderna, Pfizer-BioNTech and AstraZeneca. Unlike those vaccine candidates, which all require two shots, J&J’s vaccine involves a single injection. That means it could require half the number of doses to immunize the same number of people. J&J’s ...
Source: TIME: Health - Category: Consumer Health News Authors: Tags: Uncategorized COVID-19 Source Type: news
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Source: WBZ-TV - Breaking News, Weather and Sports for Boston, Worcester and New Hampshire - Category: Consumer Health News Authors: Tags: Boston News Covid-19 Boston, MA Health Healthcare Status Beth Israel Deacones Medical Center Coronavirus Johnson & Johnson Source Type: news
NEW BRUNSWICK, N.J., September 23, 2020 – Johnson &Johnson (NYSE: JNJ) (the Company) today announced the launch of its large-scale, pivotal, multi-country Phase 3 trial (ENSEMBLE) for its COVID-19 vaccine candidate, JNJ-78436735, being developed by its Janssen Pharmaceutical Companies. The initiation of the ENSEMBLE trial follows positive interim results from the Company’s Phase 1/2a clinical study, which demonstrated that the safety profile and immunogenicity after a single vaccination were supportive of further development. These results have been submitted to medRxiv and are due to be published online im...
Source: Johnson and Johnson - Category: Pharmaceuticals Tags: Our Company Source Type: news
In this study, we used egg yolks from DENV-immunized geese to purify IgY antibodies specific to DENV NS1 epitopes. We determined that 2 anti-NS1 IgY antibodies, NS1-1 and NS1-8, were capable of neutralizing DENV infection in vitro. In addition, these antibodies did not cross-react with the DENV Envelope (E) protein nor enhance DENV or Zika virus (ZIKV) infection in vitro. Intriguingly, NS1-8, but not NS1-1, partially blocked NS1-induced endothelial dysfunction in vitro while neither antibody blocked binding of soluble NS1 to cells. Finally, prophylactic treatment of mice with NS1-8 conferred significant protection against ...
Source: Antiviral Research - Category: Virology Authors: Tags: Antiviral Res Source Type: research
Abstract Infections by flaviviruses, such as Dengue, West Nile, Yellow Fever and Zika viruses, represent a growing risk for global health. There are vaccines only for few flaviviruses while no effective treatments are available. Flaviviruses share epidemiological, structural, and ecologic features and often different viruses can co-infect the same host. Therefore, the identification of broad-spectrum inhibitors is highly desirable either for known flaviviruses or for viruses that likely will emerge in the future. Strategies targeting both virus and host factors have been pursued to identify broad-spectrum antiflav...
Source: ChemMedChem - Category: Chemistry Authors: Tags: ChemMedChem Source Type: research
In this study, we further evaluated the broad-spectrum antiviral activity of the ten identified compounds by testing their activity against ZIKV. Among the ten compounds, Azaribine (SI-MTT = 146.29), AVN-944 (SI-MTT = 278.16), and Brequinar (SI-MTT = 157.42) showed potent anti-ZIKV activity in post-treatment therapeutic conditions. We also observed potent anti-ZIKV activity for Mycophenolate mofetil (SI-MTT = 20.51), Mycophenolic acid (SI-MTT = 36.33), and AVN-944 (SI-MTT = 24.51) in pre-treatment prophylactic conditions and potent co-treatment inhibitory activity for Obatoclax (SI-MTT = 60.58), Azaribine (SI-MTT = 91.51),...
Source: Viruses - Category: Virology Authors: Tags: Article Source Type: research
This study deals with the investigation of the composition, cytotoxicity, and anti-Zika activity of Punica granatum leaf ethanolic extract, fractions, and phytoconstituents. P. granatum leaves were collected from different areas in Italy and Greece in different seasons. Crude extracts were analyzed and fractionated, and the pure compounds were isolated. The phytochemical and biomolecular fingerprint of the pomegranate leaves was determined. The antiviral activities of the leaf extract, fractions, and compounds were investigated against the MR766 and HPF2013 Zika virus strains in vitro. Both the extract and its fractio...
Source: Planta Medica - Category: Drugs & Pharmacology Authors: Tags: Original Papers Source Type: research
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