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Review on Approved and Inprogress COVID-19 Vaccines.

ABSTRACT: The last generation of Coronavirus named COVID-19 is responsible for the recent worldwide outbreak. Concerning the widespread and quick predominance, there is a critical requirement for designing appropriate vaccines to surmount this grave problem. Correspondingly, in this revision, COVID-19 vaccines (which are being developed until March 29th, 2021) are classified into specific and non-specific categories. Specific vaccines comprise genetic-based vaccines (mRNA, DNA), vector-based, protein/recombinant protein vaccines, inactivated viruses, live-attenuated vaccines, and novel strategies including microneedle arrays (MNAs), and nanoparticles vaccines. Moreover, specific vaccines such as BCG, MRR, and a few other vaccines are considered Non-specific. What is more, according to the significance of Bioinformatic sciences in the cutting-edge vaccine design and rapid outbreak of COVID-19, herein, Bioinformatic principles including reverse vaccinology, epitopes prediction/selection and, their further applications in the design of vaccines are discussed. Last but not least, safety, challenges, advantages, and future prospects of COVID-19 vaccines are highlighted.

SUBMITTER: Farnudian-Habibi A

PROVIDER: S-EPMC9420219 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature

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Review on Approved and Inprogress COVID-19 Vaccines.

Farnudian-Habibi Amir A Mirjani Mobina M Montazer Vahideh V Aliebrahimi Shima S Katouzian Iman I Abdolhosseini Saeed S Rahmani Ali A Keyvani Hossein H Ostad Seyed Nasser SN Rad-Malekshahi Mazda M

Iranian journal of pharmaceutical research : IJPR 20220124 1

The last generation of Coronavirus named COVID-19 is responsible for the recent worldwide outbreak. Concerning the widespread and quick predominance, there is a critical requirement for designing appropriate vaccines to surmount this grave problem. Correspondingly, in this revision, COVID-19 vaccines (which are being developed until March 29th, 2021) are classified into specific and non-specific categories. Specific vaccines comprise genetic-based vaccines (<i>mRNA</i>, <i>DNA</i>), vector-based ...[more]

PMID: 36060923

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Project description:Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a novel coronavirus causing a global pandemic. Coronaviruses are a large family of single-stranded ribonucleic acid (RNA) viruses. The virus has four essential structural proteins which include the spike (S) glycoprotein, matrix (M) protein, nucleocapsid (N) protein and small envelope (E) protein. Different technologies are being used for vaccine development to battle the pandemic. There are messenger ribonucleic acid (mRNA)-based vaccines, deoxyribonucleic acid (DNA) vaccines, inactivated viral vaccines, live attenuated vaccines, protein subunit-based vaccines, viral vector-based vaccines and virus-like particle-based vaccines. Vaccine development has five stages. In the clinical developmental stage, vaccine development can be sped up by combining phase 1 and 2. The vaccines can also be approved more swiftly on an emergent basis and released sooner for usage. The United States Food and Drug Administration (USFDA) has approved Pfizer-BioNTech, Moderna and Janssen coronavirus disease 2019 (COVID-19) vaccines for emergency use. There are other vaccines that have been approved around the world. The mRNA vaccines have been created using a novel technology and they contain a synthetically created RNA sequence of virus fragments encoding the S-protein which is injected. These vaccines have a relatively low cost of production and faster manufacturing time but can have comparatively lower immunogenicity and more than one dose of vaccine may be required. In the case of viral vector-based vaccines, genes encoding the SARS-CoV-2 S protein are isolated and following gene sequencings are introduced into the adenovirus vector. These vaccines have a relatively fast manufacturing time but the efficacy of the vaccine is variable based on the host's immune response to the viral vector. At the time of this paper, there were 81 vaccines in clinical development stage and 182 vaccines in preclinical development stage. Vaccines are an essential tool in our battle against COVID-19. Some of the COVID-19 vaccines have completed their phase III trials while many other potential vaccines are still in developmental stages. It used to take close to a decade for a vaccine to be developed and undergo rigorous testing until its production and availability to the public, but over the past year, we have seen multiple vaccines in different phases of testing against SARS-CoV-2 virus.

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Review on Approved and Inprogress COVID-19 Vaccines.

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Review on Approved and Inprogress COVID-19 Vaccines.

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