Virology

SARS-CoV-2: Could it be bad?

Health experts say it€™s not a question of whether SARS-CoV-2 will spread within the U.S., but when. A CDC official said yesterday, €œWe are asking the American public to prepare for the expectation that this might be bad.€ What exactly does that mean? The CDC assessment is based on a ...

TWiV 588: Coronavirus update – Save the pangolin!

The TWiV team returns this week to SARS-CoV-2019 coverage to review the latest epi curves, the fatality rate, furin cleavage site and receptor binding domain in the spike glycoprotein, related CoV recovered from pangolins, evidence that the virus did not escape from a laboratory, and many more questions sent in ...

Pangolins and the origin of SARS-CoV-2 coronavirus

A coronavirus related to SARS-CoV-2 has been isolated from Malayan pangolins illegally imported into Guangdong province. It is not the precursor of SARS-CoV-2, but comparison of viral genome sequences provides further evidence that the virus currently infecting humans was not produced in a laboratory. There are two important sequences in ...

Furin cleavage site in the SARS-CoV-2 coronavirus glycoprotein

The spike glycoprotein of the newly emerged SARS-CoV-2 contains a potential cleavage site for furin proteases. This observation has implications for the zoonotic origin of the virus and its epidemic spread in China. The membrane of coronaviruses harbors a trimeric transmembrane spike (S) glycoprotein (pictured) which is essential for entry ...

TWiV 586: Coronavirus update: wash your hands

In this week's coverage of the coronavirus epidemic, the TWiV team discusses the fatality rate, China's initial reaction to the outbreak, conspiracy theories, how long the virus remains infectious on surfaces, and evidence for virus in the intestinal tract. Click arrow to play Download TWiV 586 (72 MB .mp3, 119 min) ...
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