Vaccines: what do we know about possible side effects?

Pfizer-BioNtech, Moderna and the AstraZeneca horizon: if the European Medicines Agency (EMA) were to give the green light for the English product on January 29, … Read more

Covid-19: immune memory could last more than eight months

The more time passes, the more perspective we have on the natural immunity developed by ex-Covid-19 patients. In November, we could say that antibodies against … Read more

Sars-CoV-2, a virus of still unknown origin

Where does Sars-CoV-2 come from? The origins of the virus responsible for the Covid-19 pandemic remain unclear. After the thesis of the pangolin, that of … Read more

Covid-19: what does the new distinction between “positive” and “weak positive” correspond to in the result of PCR tests?

Question asked on 10/08/2020 Hello, The analysis of the results of RT-PCR tests that measure the viral load of Sars-CoV-2 in a patient has been … Read more

Vaccination against influenza: a “citizen act” for deputies of the majority

Get the flu shot? An individual act of health prevention in 2019 but “A citizen act” in 2020. In a column published in the JDD, … Read more

Covid-19: what do we know today about the transmission of the virus by aerosols in confined spaces?

Question asked by BARALE on 08/22/2020 Hello, The start of the school year is masked, In the enterprises as in classrooms. Before these decisions were … Read more