will a third dose be necessary?

THE CHEKING PROCESS – The CEO of Pfizer has said that people who have received his vaccine against Covid-19 will “probably” need a third dose within six months to a year, then arguably an injection each year. Will it be inevitable? THE QUESTION. Once vaccinated, will we have to be bitten a third time against … Read more

Elon Musk’s brain implant, between hope and fantasy

DECRYPTION – Neuralink is a gem of technology whose exact applications remain to be invented. Elon Musk holds the miniature implant with supposedly multiple properties in his hand during Project Neuralink’s video conference presentation on August 28. -/AFP Elon Musk is not a traditional researcher, to say the least, but it would be hard to … Read more

The (distant) hope of an anti-coronavirus nasal spray

A team of French researchers thinks they have found a way to “lure” the Covid-19, to prevent it from infecting our cells. French researchers believe they can develop a nasal spray that would prevent the coronavirus (photo d’illustration). TIM SLOAN/AFP A nasal spray, or perhaps a lozenge to melt under the tongue, to prevent Covid-19: … Read more

The mystery of the origin of water on Earth may finally be solved

French researchers provide an elegant solution to an old problem. Earth is very different from other rocky planets. Credit: Nasa.Gov It’s a question that probably never kept you awake, but it has puzzled astronomers for years. Where does the water in our planet’s oceans come from? In most Solar System formation scenarios, it is believed … Read more

warning against the “exponential” spread of Sars-CoV-2

The return to school is looming, and for the first time in a long time, Public Health France (SpF) uses the term “Exponential” to qualify the spread of Sars-CoV-2, even suggesting a transmission dynamic “Very worrying” in its latest weekly newsletter. “The more time passes, the more things become clearer and the more we can … Read more

the immune system has a long memory

To better understand the establishment of this immune memory, Simon Fillatreau, from Inserm, is monitoring the evolution of memory lymphocytes in thirty cured patients. T cells capable of recognizing Sars-CoV-2 have been found by researchers in people who have had no contact with this virus. HANDOUT / AFP The fact that the majority of populations … Read more

The surprising decline in Alzheimer’s disease

DECRYPTION – In Europe and the United States, the incidence rate has fallen by 13% in ten years for reasons still unexplained. While the downward trend in the number of Alzheimer’s cases is the same in Europe as in the United States, this is not true for the rest of the world, particularly in Russia, … Read more

The first dog to test positive for coronavirus in the United States has died

The first dog to test positive for coronavirus in the United States has died, the magazine reports National Geographic, after experiencing symptoms apparently similar to those of many humans. Buddy, a seven-year-old German Shepherd, fell ill in April, around the same time his owner Robert Mahoney was himself recovering from Covid-19, the magazine said this … Read more

13 deaths in hospital in 24 hours, the epidemic is progressing on the territory

30,165 people have died from the coronavirus in France since the start of the epidemic. In its daily press release, the Directorate General of Health indicates, this Tuesday, July 21, a problem in the census of the number of deaths in social and medico-social establishments the day before, explaining why this figure is now 12 … Read more

Is a rebound in the epidemic inevitable?

DECRYPTION – The level of transmission of the virus, R, has slightly exceeded 1, that is to say that on average each infected person contaminates a little more than one person. The R, the level of transmission of the virus, was slightly above 0.5 in mid-May, and has increased slowly to stabilize around 1 since … Read more