Covid and flu, when double contagion occurs: the symptoms and what to do

Already a year ago it was identified as not even a remote possibility. Now it is back on the scene as a concrete possibility. It is the case of the simultaneous contagion from Covid and flu that is making headlines, considering the fact that the scenario in which it reappears has changed, complicating things. The simultaneous double contagion, which in the winter of last year was called Flurona,