Despite the fact that there is scientific evidence that the vaccine might help against Covid-19 but it is unknown whether or not it prevents the infection with a new strain of coronavirus. That is why vaccinated people should keep the social distance, wear masks, and wash hands often.
On December 14, the mass vaccination of the population against coronavirus started in the U.S. The nurse from New York got the first vaccine shot. The doctors use the vaccine produced by Pfizer and BioNTech. Firstly, the medical employees and the residents of homes for elderly people will be vaccinated.
Until March 2021, 100 million people will be vaccinated against the coronavirus in the U.S. The Centers for Disease Control and Prevention recommend to vaccinate the medical employees and the residents of homes for elderly people and other social facilities.