Cleaning surfaces excessively to prevent contagion may be doing more harm than good | Video | CNN

The United States Centers for Disease Control and Prevention (CDC) changed the recommendations on the use of the mask to slow the spread of the delta variant of the new coronavirus. Now they advise that the vaccinated use them both indoors in areas with high rates of infection. On the contrary, the recommendations on the disinfection of surfaces do not change. In fact, people obsessed with sanitizing may be doing more harm than good. Fernando del Rincón tells us why.