A long green stripe on a world map. What if Sars-Cov-2, a virus associated with Covid-19 disease, was different from its congeners Sars-Cov-1 and Mers? What if it was, like the flu, a seasonal virus? For an uninitiated, this does not mean much. But for the virologist that is Mohamed Sajadi, from the Institute of … Read more
Question asked by lewy on 03/13/2020 Hello, The Covid-19 pandemic, caused by the Sars-Cov-2 virus, started in Wuhan (Hubei province of China) in December. The number of people affected in this country – 81,130 officially registered cases – is beginning to stabilize, suggesting a ebb of the epidemic in this region of the world. In … Read more
like animal The World Health Organization (WHO) reminded him as early as January 12: “The data seem to clearly indicate that the outbreak is associated with exposures at a fish market in Wuhan” (see: Hubei). The hypothesis of a zoonosis, a disease transmitted by animals, is therefore preferred. February 7, the scientific journal Nature asks: … Read more
In 2013, Zheng-Li Shi and colleagues of the Wuhan Institute of Virology identify in a bat of them coronavirus very close to SARS-CoV, at the origin ofepidemic from 2002-2003. CoV-WIV1, in particular, is then considered dangerous because it has a enzyme converter (ACE2), which serves as a receiver for the virus in humans. It turns … Read more
Here is one of the first images of the new virus Sars-CoV-2, the origin ofCovid-19 epidemic which started in Wuhan in December 2019. They come from the Rocky Mountain laboratory (RML) of National Institute of Allergy and Infectious Diseases (Niaid), who analyzed a sample from an American patient. The image is a combination of two … Read more