Fact Check: "SARS-CoV-2 is the virus responsible for COVID-19."
What We Know
SARS-CoV-2 is indeed the virus responsible for COVID-19, a disease that emerged in late 2019. According to a study published in Nature Reviews Microbiology, SARS-CoV-2 is classified as a betacoronavirus and is closely related to coronaviruses found in bats, suggesting a zoonotic origin likely involving an intermediate host (source-3). The World Health Organization (WHO) has identified COVID-19 as the clinical syndrome associated with SARS-CoV-2 infection, which primarily affects the respiratory system (source-2).
The genetic analysis shows that SARS-CoV-2 shares approximately 80% of its genome with SARS-CoV, the virus responsible for the SARS outbreak in 2002-2003, indicating a significant relationship between the two viruses (source-1).
Analysis
The claim that SARS-CoV-2 is the virus responsible for COVID-19 is supported by multiple reputable sources. The Nature Reviews Microbiology article emphasizes that SARS-CoV-2 is a new human coronavirus that has led to a global pandemic, characterized by respiratory illness that can escalate to severe pneumonia and acute respiratory distress syndrome (source-6).
Moreover, the COVID-19 and SARS: Differences and similarities article outlines the clinical features of COVID-19, confirming that it is caused by the SARS-CoV-2 virus (source-1). The reliability of these sources is high, as they are peer-reviewed articles published in established medical journals and databases, which are widely recognized in the scientific community.
While some sources, such as Wikipedia, provide a general overview, they are less authoritative than peer-reviewed studies. However, they do corroborate the information regarding the relationship between SARS-CoV-2 and COVID-19 (source-4).
Conclusion
Verdict: True. The evidence clearly supports the claim that SARS-CoV-2 is the virus responsible for COVID-19. This conclusion is based on extensive genetic analysis and clinical observations documented in multiple peer-reviewed studies, confirming the direct link between the virus and the disease.