The study says that despite the safety of vaccines against COVID-19, most of them do not provide 100% protection and the level of vaccination in many countries of the world is not very high.
Scientists have concluded that social distancing, hand washing and wearing masks are the most effective measures in the fight against coronavirus.
According to data from more than 30 countries of the world, wearing masks reduces morbidity by 53%, adherence to social distance - by 25%, hand washing - 53%.
Read more in the material of Ino TV.