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SARS-CoV-2 outbreak: role of viral proteins and genomic diversity in virus infection and COVID-19 progression
Hosni A M Hussein1, Ali A Thabet2, Ahmed A Wardany3
1Department of Microbiology, Faculty of Science, Al-Azhar University, 71524, Assiut, Egypt. hosnihussein.ast@azhar.edu.eg.
Virology Journal
|March 28, 2024
Summary
Genetic mutations in SARS-CoV-2, the virus causing COVID-19, significantly impact disease progression and vaccine development. Understanding these viral protein mutations is crucial for managing the global pandemic.
Area of Science:
- Virology
- Genetics
- Epidemiology
Background:
- Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) causes coronavirus disease 2019 (COVID-19), a major global health crisis originating in Wuhan, China.
- Viral genetic mutations are critical for adaptation and can lead to unpredictable characteristics with significant health implications.
- SARS-CoV-2 exhibits genetic diversity and mutations with demonstrable clinical consequences, complicating control efforts.
Purpose of the Study:
- To review current knowledge on SARS-CoV-2 outbreaks, focusing on viral protein mutations in infection and disease progression.
- To summarize the clinical implications of SARS-CoV-2 variants, including effects on disease severity and vaccine efficacy.
- To conduct a phylogenetic analysis of the SARS-CoV-2 spike gene from global isolates.
Main Methods:
- Comprehensive literature review of SARS-CoV-2 outbreaks and viral mutations.
- Analysis of clinical implications of SARS-CoV-2 variants.
- Phylogenetic analysis of the spike gene from 214 global SARS-CoV-2 isolates.
Main Results:
- SARS-CoV-2 genetic mutations influence viral infection, COVID-19 progression, and disease severity.
- Viral variants pose challenges to vaccine development and public health strategies.
- Phylogenetic analysis revealed global diversity in the SARS-CoV-2 spike gene with associated clinical implications.
Conclusions:
- Understanding SARS-CoV-2 mutations and variants is essential for effective pandemic management.
- Continued genomic surveillance and phylogenetic analysis are vital for tracking viral evolution and clinical impact.
- The study highlights the dynamic nature of SARS-CoV-2 and the need for adaptive strategies against evolving variants.
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