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: 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