At the beginning of the pandemic, older people were the perfect target for the virus. Now, sixteen months later, young people are being the most affected by covid-19. They are, fundamentally, because the vaccine has not yet penetrated the majority of those under 40 years of age and, furthermore, they are a group with greater social mobility. Months ago, young people became aware not to infect their grandparents or their parents and now, with more lax restrictions, many leave prematurely to celebrate the end of the health crisis, without being aware that the transmission of the virus is now faster , due to the appearance of the Delta strain, and that they can also suffer from serious pictures of the disease, because youth do not immunize against SARS-CoV-2. .