Covid-19: Is a large part of the population already immunized from other viruses?

Question asked by 05/19/2020 Hello, Your question refers to several studies published in May, which refer to the principle of immune memory, the principle of which can be recalled in a few words. On the surface and at the heart of viruses are molecules that will react with the human immune system, triggering a number … Read more

Has Professor Raoult’s team circumvented the compulsory opinion of a personal protection committee?

Question asked by Tsarorius on 05/04/2020 Hello, You are asking us about a controversy that arose in April from the presentation of work by researchers at the IHU Méditerranée infection on the effects of hydroxychloroquine (HCQ) and azithromycin in people with Covid-19. With this question: did the study follow the procedures relating to patient protection? … Read more

Two Sars-Cov-2 strains may be in circulation, study finds

This is a sharp, very technical article, pre-published (and therefore not yet proofread and validated by peers) on April 30 on the platform. BioRxyv. It reveals that there are two strains of Sars-Cov-2 (the virus responsible for Covid-19) circulating since the start of the pandemic. “This mutation is not new, but what is it is … Read more

Covid-19: on the trail of the enigmatic “patient zero”

What if the coronavirus epidemic had started in France well before the end of January? “The first cases of Covid-19? We will surely have surprises ”, says Professor William Dab, former director general of health. “The first cases surely occurred well before the start of 2020, contrary to what we initially thought, abounds Dominique Costagliola, … Read more

Revenge porn: during confinement, cyberbullying spreads

Isabelle’s ordeal (1) has been going on for more than two years. Her ex-boyfriend, in whom she had “Blind trust”, recorded intimate photos and videos of her without her consent, before posting them to the Snapchat social network. At the end of 2019, the images were sent to the father of this 17-year-old high school … Read more

Covid-19: can we predict the evolution of the virus thanks to the weather?

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

Edgar Morin: “Feel the community of destinies of all humanity more than ever”

Confined, he says he felt “Psychically projected into permanent communication and communion” with the world to which he remains virtually connected. He who has always lived fully, whose century of existence is made up of perpetual displacement and political and intellectual commitments. Born in 1921, Edgar Morin, sociologist, philosopher, “Humanologist”, he says, world famous writer, … Read more

“The coronavirus crisis is an ecological crisis”

Every day, find the Green thread, the environment meeting of Release. Serge Morand is a health ecologist, research director at CNRS and CIRAD and teaches at the Faculty of Tropical Medicine in Bangkok, Thailand. For him, it is urgent to preserve genetic diversity in nature and agriculture to avoid the multiplication of pandemics. Several species … Read more

Immunity, confinement, climate: by what means could the Covid-19 pandemic disappear?

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