How to behave and what to do once vaccinated against Covid-19 Protection time, protective equipment, side effects
Double Mask at School against Covid-19 Variants. Wearing the double mask at school for teachers and students against the risks associated with contagion. The appeal of the Headmasters
How long are you immune to Covid-19? The study conducted in Vo 'Euganeo by Andrea Crisanti, microbiologist at the University of Padua: the antibodies to Covid 19 persist for at least 9-10 months.
Covid-19: in the pool: chlorine could be very effective and quick in deactivating the Coronavirus. It would act in just 30 seconds