Omicron: contagiousness, incubation and symptoms. What do we know

“Omicron contagiousness” and “incubation” quickly became among the most searched words on the net, together with “mask”, “symptoms” and “quarantine”. The new variant is spreading fast due to its high virality, inevitably bringing fears and doubts with it. How do I know if I have taken this variant? How do the symptoms change? Are vaccines effective? What tampon should I do? And above all, what should I do in case of positivity? Let’s do some clarity.