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Related Concept Videos

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A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
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Simple proteins and protein complexes contain only amino acids. In contrast, many other proteins, called conjugated proteins, covalently bond with non-protein moieties.
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Updated: Dec 8, 2025

Live Imaging and Quantification of Viral Infection in K18 hACE2 Transgenic Mice Using Reporter-Expressing Recombinant SARS-CoV-2
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Advances in SARS-CoV-2: a systematic review.

Y-X Bai1, Y-H Xu, X Wang

  • 1Cancer Center, The First Hospital of Jilin University, Changchun, Jilin, China. makw@jlu.edu.cn.

European Review for Medical and Pharmacological Sciences
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Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) is a highly infectious virus with a low mortality rate. Understanding its characteristics, clinical features, and treatments is crucial for controlling the COVID-19 pandemic.

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Area of Science:

  • Virology
  • Infectious Diseases
  • Public Health

Background:

  • The emergence of Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) in Wuhan, China, in December 2019, marked the beginning of a global pandemic.
  • A comprehensive understanding of this novel virus was initially lacking, necessitating rapid scientific inquiry.

Purpose of the Study:

  • To review and summarize the key characteristics of SARS-CoV-2.
  • To consolidate information on the epidemiology, virology, clinical features, and treatment options for SARS-CoV-2 infection.

Main Methods:

  • A systematic literature search was conducted on PubMed and Web of Science.
  • Keywords used included COVID-19, 2019-nCoV, and SARS-CoV-2.
  • 157 relevant papers published between January and April 2020 were reviewed.

Main Results:

  • SARS-CoV-2 exhibits high infectivity and a low mortality rate.
  • The virus enters human cells via angiotensin-converting enzyme 2 (ACE2) in the alveoli, triggering an immune response.
  • Infections range from asymptomatic to critical, with potential treatments including remdesivir, hydroxychloroquine, and favipiravir.

Conclusions:

  • SARS-CoV-2 is a significant global health threat requiring focused prevention and control strategies.
  • Further clinical studies are essential to validate the safety and efficacy of developing vaccines and treatments.