The question of the origin of SARS-CoV-2 continues to occupy scientists, the media, and the public intensely even 5 years after the onset of the COVID-19 pandemic. Where the virus came from, when and ...

Since the SARS-CoV-2 pandemic began three years ago, its origin has been a topic of much scientific — and political — debate. Two main theories exist: The virus spilled over from an animal into people ...

A recent editorial published in the Journal of Virology summarized the evidence on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) origin hypotheses. Two leading hypotheses about SARS-CoV ...

Even though early generations of SARS-CoV-2 vaccines and boosters have been extremely successful, viral evolution and the emergence of immune evasion have made subsequent vaccines more difficult to ...

During the COVID-19 pandemic, the clinical spectrum observed among people infected with SARS-CoV-2 ranged from asymptomatic carriage to death. Researchers at the Institut Pasteur, the CNRS and the ...

Since the start of the COVID-19 pandemic, there has been controversy surrounding the origins of SARS-CoV-2. New research from the University of California, San Diego (UCSD), School of Medicine ...

The origin of SARS-CoV-2 remains unresolved. In a non-peer-reviewed preprint published on bioRxiv on Oct. 20, 2022 three authors present analyses that, according to their interpretation, suggest a ...

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and severe acute respiratory syndrome coronavirus (SARS-CoV) are members of the subgenus Sarbecovirus, whose genomic length is around ...

Two U.S. intelligence agencies reportedly support the lab leak theory — with low-to-moderate confidence. No evidence has been shared. Scientists... What does the science say about the origin of the ...