A Narrative Overview of Coronavirus Infection: Clinical Signs and Symptoms, Viral Entry and Replication, Treatment

Vishal Chavda1,2, Dhananjay Yadav3, Harisinh Parmar4

  • 1Department of Pathology, Stanford School of Medicine, Stanford University Medical Center, Palo Alto94305, CA, USA.

Insights

The COVID-19 pandemic, caused by SARS-CoV-2, presents challenges due to its varied symptoms and evolving variants. This review examines current and future therapeutic strategies for this global health crisis.

Area of Science:

  • Virology
  • Infectious Diseases
  • Public Health

Background:

  • Coronavirus disease (COVID-19) emerged in December 2019, causing significant global morbidity and mortality.
  • The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) exhibits rapid transmission and complex pathophysiology, leading to a syndrome with diverse systemic effects.
  • Viral evolution and the emergence of new variants pose ongoing challenges to effective treatment and control.

Purpose of the Study:

  • To provide a comprehensive narrative review of COVID-19.
  • To discuss the origin, etiology, transmission, and pathophysiology of SARS-CoV-2.
  • To explore current diagnostic technologies, therapeutic targets, and future treatment options for COVID-19.

Main Methods:

  • A narrative review methodology was employed.
  • Literature search conducted using PubMed, Google Scholar, and Scopus databases.
  • Inclusion of epidemiological data, pre-clinical and clinical trial outcomes, and recent therapeutic alternatives.

Main Results:

  • Despite extensive research, precise therapeutic strategies for COVID-19 remain uncertain.
  • Some drugs show efficacy in early-stage infections, and several vaccines and medicines have been licensed.
  • Ongoing global efforts focus on developing potent immunizations and effective treatments against SARS-CoV-2.

Conclusions:

  • COVID-19 is a complex syndrome with evolving viral strains, necessitating continuous research into diagnostics and therapeutics.
  • Current treatments and vaccines offer hope, but the search for optimal therapies against SARS-CoV-2 continues.
  • This review synthesizes existing knowledge and highlights future directions for combating the COVID-19 pandemic.

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