Tag: SARS-CoV-2
A gene that protects against severe forms of Covid-19 has been identified
Why do young and healthy people end up in intensive care after contamination by SARS-CoV-2 while other people, who are a priori more fragile, get by with a simple cold?…
Covid-19: 10% of infected are still contagious 10 days later
A small study conducted in England indicates that a minority of people infected with SARS-CoV-2 retain traces of viral activity ten days after the initial infection. You will also be…
No, vaccines are not responsible for the increase in contamination
A recent interview with Professor Didier Raoult is circulating on social networks. She suggests that the vaccination campaign would have increased the number of cases, in other words it would…
Common cold coronavirus immune cells confer protection against SARS-CoV-2
Immunity keeps track of past infections. Everyone has had a cold, a mild infection sometimes caused by coronavirus. According to a recent study, immune cells formed during a cold may…
Vaccination also reduces transmission of the Delta variant
We have heard over and over again that Covid-19 vaccines do not decrease the transmission of SARS-CoV-2. However, we know that this is however the case concerning the Alpha variant.…
Does the Covid-19 vaccine affect the length of the menstrual cycle?
Rumors are circulating about the potential adverse effects of anti-Covid vaccines on the menstrual cycle of women. A scientific study has been conducted to explore the issue. It was published…
Why Omicron could be the latest ‘worrying’ variant
Viruses all change over time. SARS-CoV-2, responsible for Covid-19, has already mutated several times, creating many variants including those called Alpha, Beta or Delta. With unprecedented propagation capacity, will the…
40% of Covid-19 cases are asymptomatic
What is the share of asymptomatics among confirmed cases of Covid-19? A meta-analysis published on December 14, 2021 answers this question. You will also be interested [EN VIDÉO] Are we…
Covid-19 is not transmitted sexually, but affects the quality of sperm
After Covid-19, the quality of the sperm of men affected by the disease deteriorates. Morphological, mobility or quantity disorders can last for several months in rare cases. You will also…
The Omicron variant would spread 70 times faster in the bronchi than other variants
Omicron is spreading rapidly in all the countries where it is present, sometimes surpassing the Delta variant installed for many months. Scientists at the Hong Kong School of Medicine studied…