In most countries, people seem to have got used to living with the Covid. In fact, most of us yearn to get back to a normal life. Still, Covid cases start rising again as soon as we drop the mask. There are many causes of this situation, such as people refusing to get vaccinated, non-respect of barrier gestures, carelessness, etc. Many experts believe that normal life will no longer be what it used to be. In some regions, people have started wearing masks once again, fearing new contamination.