Results 21 to 30 of about 1,978,943 (206)

Prevalent levels of RSV serum neutralizing antibodies in healthy adults outside the RSV-season

open access: yesHuman Vaccines & Immunotherapeutics, 2020
One of the main challenges in early clinical research with respiratory syncytial virus (RSV) live-attenuated vaccines (LAVs) is to assess immunogenicity in healthy adults.
Johan L. Van Der Plas   +6 more
doaj   +1 more source

Evaluation of live-attenuated Histomonas meleagridis isolates as vaccine candidates against wild-type challenge

open access: yesPoultry Science, 2022
: Repeated serial in vitro passage of Histomonas meleagridis, the etiological agent of histomoniasis (blackhead) of turkeys, was demonstrated to markedly achieve attenuation and reduction of virulence as compared to the original wild-type isolate.
L.C. Beer   +7 more
doaj   +1 more source

MicroRNA-Attenuated Virus Vaccines

open access: yesNon-Coding RNA, 2018
Live-attenuated vaccines are the most effective way to establish robust, long-lasting immunity against viruses. However, the possibility of reversion to wild type replication and pathogenicity raises concerns over the safety of these vaccines. The use of
Elizabeth J. Fay, Ryan A. Langlois
doaj   +1 more source

Radiation-attenuated schistosome vaccination--a brief historical perspective. [PDF]

open access: yes, 2009
The high level of protection which can be induced by vaccination of a range of hosts, from rodents to primates, with live radiation-attenuated schistosome larvae offers great promise for development of a human schistosome vaccine.
Bickle, QD, Q. D. BICKLE
core   +1 more source

The new temperature-sensitive mutation PA-F35S for developing recombinant avian live attenuated H5N1 influenza vaccine

open access: yesVirology Journal, 2012
Background H5N1 highly pathogenic avian influenza virus (HPAIV) is continuously circulating in many Asian countries and threatening poultry industry and human population.
Zhang Wenting   +4 more
doaj   +1 more source

The Protective Efficacy of Single-Dose Nasal Immunization with Cold-Adapted Live-Attenuated MERS-CoV Vaccine against Lethal MERS-CoV Infections in Mice

open access: yesVaccines, 2023
Middle East respiratory syndrome coronavirus (MERS-CoV) causes severe diseases in humans. Camels act as intermediate hosts for MERS-CoV. Currently, no licensed vaccine is available for this virus.
Heejeong Seo, Yunyueng Jang, Dongmi Kwak
doaj   +1 more source

A novel rabies vaccine based on infectious propagating particles derived from hybrid VEEV-Rabies replicon

open access: yesEBioMedicine, 2020
Background: Live attenuated vaccines (LAVs) can mimic natural infection and have advantages to stimulate a robust and sustained immune response as well as to confer long-term protection.
Ya-Nan Zhang   +7 more
doaj   +1 more source

A booster regime of liposome-delivered live-attenuated CHIKV vaccine RNA genome protects against chikungunya virus disease in mice

open access: yes, 2023
Mosquito-transmitted chikungunya virus (CHIKV) is the causal pathogen of CHIKV disease and is responsible for global epidemics of arthritic disease. CHIKV infection can lead to severe chronic and debilitating arthralgia, significantly impacting patient ...
Abeyratne, E   +21 more
core   +1 more source

An overview of VaxchoraTM, a live attenuated oral cholera vaccine

open access: yesHuman Vaccines & Immunotherapeutics, 2020
Cholera remains a public health threat among the least privileged populations and regions affected by conflicts and natural disasters. Together with Water, Sanitation and Hygiene practices, use of oral cholera vaccines (OCVs) is a key tool to prevent ...
Tarun Saluja   +4 more
doaj   +1 more source

Delivery of spike-RBD by bacterial type three secretion system for SARS-CoV-2 vaccine development

open access: yesFrontiers in Immunology, 2023
COVID-19 pandemic continues to spread throughout the world with an urgent demand for a safe and protective vaccine to effectuate herd protection and control the spread of SARS-CoV-2. Here, we report the development of a bacterial vector COVID-19 vaccine (
Yuchen Zhou   +16 more
doaj   +1 more source

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